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Energy conversion in optics
In optics, wall-plug efficiency or radiant efficiency is the energy conversion efficiency with which the system converts electrical power into radiant
Wall-plug_efficiency
Ratio between the useful output and the input of a machine
representing the losses. The wall-plug efficiency differs from the luminous efficiency in that wall-plug efficiency describes the direct output/input conversion
Energy_conversion_efficiency
How efficiently a source produces visible light
ρ for luminous efficacy of a source. Photometry Light pollution Wall-plug efficiency Coefficient of utilization List of light sources SI defining constants
Luminous_efficacy
Type of gas laser
electrical discharge. The wall-plug efficiency of the nitrogen laser is low, typically 0.1% or less, though nitrogen lasers with efficiency of up to 3% have been
Nitrogen_laser
Type of external power supply
a case, unplug them all, then plug them back in one by one until the culprit or culprits is found. Traditionally, wall adapters provided a constant voltage
AC_adapter
Deliberate use of light to achieve practical or aesthetic effects
important property of light fixtures is the luminous efficacy or wall-plug efficiency, meaning the amount of usable light emanating from the fixture per
Lighting
Liftback motor vehicle
The Toyota Prius Plug-in Hybrid (often abbreviated as the Prius PHEV or PHV and initially marketed as the Prius Prime in North America, South Korea, and
Toyota_Prius_Plug-in_Hybrid
Lithography using 13.5 nm UV light
using the latter. At the 2009 EUV Symposium, Hynix reported that the wall plug efficiency was ~0.02% for EUV, i.e., to get 200 watts at intermediate focus
Extreme ultraviolet lithography
Extreme_ultraviolet_lithography
Type of semiconductor laser diode
The high power level achieved was mostly due to improvements in wall-plug efficiency and packaging. In 2009, >100 W power levels were reported for VCSEL
Vertical-cavity surface-emitting laser
Vertical-cavity_surface-emitting_laser
Topics referred to by the same term
WPE may refer to: Wall-plug efficiency, a measure of efficiency of LEDs Wapping railway station (National Rail station code), a railway station in London
WPE
Romanian-American electrical engineer
lasers and quantum cascade lasers, achieving multiple world-record wall-plug efficiencies and output powers. He has also been involved in technology commercialization
Dan_Botez
Power plug/socket smart device
pioneers of the smart plug include John La Grou, Steve Purdham, and Sanjib Kumar. A smart plug is a power plug (also known as a wall plug, outlet, or electrical
Smart_plug
Device that generates sparks in internal combustion engines
A spark plug (sometimes, in British English, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition
Spark_plug
Iranian-American Physicist
THz Spectroscopy, Sensing Closer to Mainstream" "High-power, high-wall-plug-efficiency quantum cascade lasers with high-brightness in continuous wave operation
Manijeh_Razeghi
Mixture formation system
flame away from the cylinder walls, reducing thermal losses. Since mixtures that are too lean cannot be ignited with a spark plug (due to the lack of fuel)
Gasoline_direct_injection
Hybrid vehicle with externally chargeable battery
A plug-in hybrid electric vehicle (PHEV) or plug-in hybrid vehicle (PHV) is a type of hybrid electric vehicle equipped with a battery that can be recharged
Plug-in_hybrid
Methods for higher energy efficiency
case, energy efficiency is dictated by whatever process (such as coal-burning, hydroelectric, or renewable source) created the power. Plug-ins can typically
Efficient_energy_use
Field within architecture, interior design and electrical engineering
important property of light fixtures is the luminous efficacy or wall-plug efficiency, meaning the amount of usable light emanating from the fixture per
Architectural_lighting_design
Videometer Virgo interferometer Visotek Volume hologram Vulcan laser Wall-plug efficiency Warm dense matter Waveguide (optics) Wavelength-division multiplexing
List_of_laser_articles
Electric convertible sports car (2008–2012)
station-to-wheel efficiency, but we do quote plug-to-wheel efficiency which includes all energy use downstream of the charging plug. For the most recent
Tesla Roadster (first generation)
Tesla_Roadster_(first_generation)
Efficiency of luminaire in transferring light energy
that of indirect lighting varies from 0.1 to 0.3 Luminous efficacy Wall-plug efficiency Hilton, John (23 October 2024). "What Is the Coefficient of Utilization
Coefficient_of_utilization
American nuclear fusion facility
diode-pumped solid state lasers, where wall-plug efficiencies of 10 percent have been demonstrated, and efficiencies 16–18 percent were expected with advanced
National_Ignition_Facility
Small photovoltaic system connected directly to a building's electrical circuit
A balcony solar power system (also called a plug-in solar panel, mini solar system, or balcony power station) is a small photovoltaic system designed to
Balcony_solar_power
Set of standards for AC power connectors
"cloverleaf connector" or "Mickey Mouse connector" for the C5/C6. "Kettle plug" (often "jug plug" in Australian or New Zealand English) is a colloquial term used
IEC_60320
Government incentives for plug-in electric vehicles have been established around the world to support policy-driven adoption of plug-in electric vehicles.
Government incentives for plug-in electric vehicles
Government_incentives_for_plug-in_electric_vehicles
Plug-in hybrid full-size luxury SUV
V9X (Chinese: 魏牌V9X; pinyin: Wèipái V9X) is a plug-in hybrid full-size luxury SUV produced by Great Wall Motors under the Wey marque. In January 2026,
Wey_V9X
Efficiency leads to increased demand
increase the efficiency of a resource's use lead to a rise, rather than a fall, in total consumption of that resource. Greater efficiency reduces the amount
Jevons_paradox
a nearly-diffraction-limited beam. A maximum room-temperature cw wall-plug efficiency of nearly 15% has also been achieved. While QCLs typically require
Interband_cascade_laser
Wafer (electronics) Wagner model Wake Wake turbulence Waldo K. Lyon Wall-plug efficiency Wallace Clement Sabine Wallace Hampton Tucker Wallace Smith Broecker
Index_of_physics_articles_(W)
Type of vehicle
All-time top-selling plug-in cars (global sales since inception) A plug-in electric vehicle is any road vehicle that can utilize an external source of
Plug-in_electric_vehicle
Engine in which fuel combusts with an oxidizer
the cylinder wall without poppet valves; the piston controls their opening and occlusion instead. The cylinder head also holds the spark plug in the case
Internal_combustion_engine
Measurement of fuel economy
efficiency ratings that have been developed by the United States Environmental Protection Agency (EPA) for battery electric vehicles (BEVs) and plug-in
Miles per gallon gasoline equivalent
Miles_per_gallon_gasoline_equivalent
Internal combustion engine type
compression stroke) the compressed air-fuel mixture is ignited by a spark plug (in a gasoline engine) or by heat generated by high compression (diesel engines)
Four-stroke_engine
Type of internal combustion engine
centre to induce swirl and reduce wall-wetting. A stratified charge engine has an injector off to the side, with a spark plug in the centre, which in some
Stratified_charge_engine
Systems vehicles with multiple power sources use to transmit power to the wheels
sustaining better transmission efficiency. This is effectively accomplished in the Generation 3 Prius HSDs (Prius v, Prius Plug-in and Prius c), although the
Hybrid_vehicle_drivetrain
Vehicle propelled fully or mostly by electricity
possible. A plug-in electric vehicle (PEV) is any motor vehicle that can be recharged from any external source of electricity, such as wall sockets, and
Electric_vehicle
Compact crossover SUV
turbocharged petrol engine, therefore it became the first plug-in hybrid vehicle (PHEV) from Great Wall Motors to be sold in South Africa. The Haval H6 HEV
Haval_H6
U.S. all-time top-selling plug-in cars (sales as of December 2020[update]) The adoption of plug-in electric vehicles in the United States is supported
Plug-in electric vehicles in the United States
Plug-in_electric_vehicles_in_the_United_States
Hybrid compact car produced by Toyota
hatchback. The production version of the Prius plug-in hybrid was released in 2012. The second generation of the plug-in variant, the Prius Prime, was released
Toyota_Prius
Large stationary single-cylinder internal combustion four-stroke engine
in creating a double-acting engine which ran on illuminating gas at 4% efficiency. The 18-litre (1,100 cu in) Lenoir engine was able to produce only 2 hp
Otto_engine
Motor vehicle
include the battery-electric Honda Clarity Electric and the plug-in hybrid electric Honda Clarity Plug-in Hybrid, in addition to the next generation Honda Clarity
Honda_Clarity
Electrical component
sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from
Power_strip
American billionaire investor
media attention for his participation in the Department of Government Efficiency. Forbes estimated his net worth at US$2.2 billion as of April 2025, while
Antonio_Gracias
Device for heating mounted in an open stove to increase efficiency
a brick or steel-covered hearth. Plug-in electric fireplace inserts typically connect to a common 120-volt wall plug and are placed within an existing
Fireplace_insert
Characteristic of rocket engine nozzles
half-angle of the outer wall of the nozzle (rad). β {\displaystyle \beta } is the (positive) half-angle of the inner wall of the plug inside the nozzle (rad)
Thrust_coefficient
Electric mid-size sedan
than previous models made by Tesla. The Model 3 was the world's top-selling plug-in electric car for three years, from 2018 to 2020, before the Tesla Model
Tesla_Model_3
Enclosed volume where interconversion of compounds takes place
the term "plug flow". Reagents may be introduced into the PFR at locations in the reactor other than the inlet. In this way, a higher efficiency may be obtained
Chemical_reactor
Consortium improve the resource efficiency of data centers
Unveil Power-Usage Plan: AMD, IBM, Rivals To Focus on Efficiency Of Servers, Data Centers". The Wall Street Journal. Retrieved June 5, 2013. "Green Grid
The_Green_Grid
The history of plug-in hybrid electric vehicles (PHEVs) spans a little more than a century, but most of the significant commercial developments have taken
History_of_plug-in_hybrids
American full-size pickup built by Stellantis
(32 km), but as a blended plug-in hybrid, the RAM PHEV does not run exclusively all-electric during EV mode. The fully charged plug-in starts off with charge
Ram_pickup
Device which removes solid particulates from the air
High efficiency particulate arrester (HEPA), originally called high-efficiency particulate absorber but also sometimes called high-efficiency particulate
Air_filter
Timing of the release of a spark in a combustion engine
the type of ignition system used, the type and condition of the spark plugs, the contents and impurities of the fuel, fuel temperature and pressure
Ignition_timing
Machine used to produce air flow
electrostatic potential Specific fan power – Parameter that quantifies the energy-efficiency of fan air-movement systems Waddle fan – Large centrifugal fans, used
Fan_(machine)
Type of boiler
The gauge glass cocks and tubes and fusible plug should be cleared of scale; if the core of the fusible plug shows signs of calcination the item should
Fire-tube_boiler
Measure of engine efficiency
Volumetric efficiency (VE) in internal combustion engine engineering is defined as the ratio of the equivalent volume of the fresh air drawn into the cylinder
Volumetric_efficiency
Compact crossover SUV manufactured by Ford
engine-transmission combinations including a plug-in gas-electric hybrid that can go 37 miles (60 km) on electricity alone with an efficiency rating of 100 MPGe, as well
Ford_Escape
The fleet of light-duty plug-in electric vehicles in Japan totaled just over 300,000 highway legal plug-in electric vehicles in circulation at the end
Plug-in electric vehicles in Japan
Plug-in_electric_vehicles_in_Japan
Type of lower-voltage electricity most commonly provided by utilities
items (such as domestic appliances, televisions and lamps) by plugging them into a wall outlet. The voltage and frequency of electric power differs between
Mains_electricity
Rigid structure to provide workers with a dry working environment below water level
reinforced concrete plug may be placed under the water, a process known as tremie concrete placement. When the caisson is dewatered, this plug acts as a pile
Caisson_(engineering)
Pollution-control technology
cyclonic scrubbers are nozzle plugging and corrosion or erosion of the side walls of the cyclone body. Nozzles have a tendency to plug from particulates. The
Cyclonic_spray_scrubber
Chinese automobile manufacturer
adopts series-parallel plug-in hybrid technology with a dedicated hybrid transmission (DHT), consisting of a high-efficiency petrol engine marketed as
BYD_Auto
The Norwegian fleet of plug-in electric vehicles is the largest per capita in the world. In December 2016, Norway became the first country where five in
Plug-in electric vehicles in Norway
Plug-in_electric_vehicles_in_Norway
Electronic device that converts or regulates electric energy and supplies it to a load
the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in
Power_supply
Removes diesel particulate matter or soot from the exhaust gas of a diesel engine
engine. Wall-flow diesel particulate filters usually remove 85% or more of the soot, and under certain conditions can attain soot removal efficiencies approaching
Diesel_particulate_filter
Removes soot deposits inside a boiler
tubes of a boiler during combustion to prevent plugging of the gas passes and maintain boiler efficiency. The world market leader is Clyde Bergemann Power
Soot_blower
Plug-in hybrid sports car developed by BMW
The BMW i8 was a plug-in hybrid sports car developed by BMW. The i8 was part of BMW's electrified fleet and was marketed under the BMW i sub-brand. The
BMW_i8
use by country Plug-in electric vehicles in Japan Plug-in electric vehicles in the Netherlands Plug-in electric vehicles in Norway Plug-in electric vehicles
History of the electric vehicle
History_of_the_electric_vehicle
System that transfers heat from one space to another
pumps are also used in district heating systems. Because of their high efficiency and the increasing share of fossil-free sources in electrical grids, heat
Heat_pump
Machine that washes clothes
Energy Label with grades for energy efficiency, washing performance, and spin efficiency. Grades for energy efficiency run from A to G (best to worst), providing
Washing_machine
Type of hybrid vehicle
its fourth-generation DM (Dual Mode) plug-in hybrid platform in January 2021, splitting it into the efficiency-focused DM-i and the performance-focused
Hybrid_electric_vehicle
Engine utilising one or more reciprocating pistons
sliding piston and the walls of the cylinder so that the high pressure gas above the piston does not leak past it and reduce the efficiency of the engine. This
Reciprocating_engine
Telecommunication cabling standards
the pin-to-pair assignments, or pinout, between the pins in a connector (a plug or a socket) and the wires in a cable. Pinouts are critical because cables
ANSI/TIA-568
Part of a steam engine
put out the fire. Not all locomotives are equipped with fusible plugs. Fusible plugs should be replaced at regular intervals, about every three months
Firebox_(steam_engine)
Vehicle not powered by petrol or diesel
fuel efficiency than conventional combustion vehicles. Other research and development efforts in alternative forms of power focus on developing plug-in
Alternative_fuel_vehicle
efficiency for further information on policies from 1945 to 2016 and their effectiveness. The u-value limits introduced in 1965 were: 1.7 for walls 1
Energy efficiency in British housing
Energy_efficiency_in_British_housing
Reciprocating internal combustion engine
efficiency. Toyota adopted a siamese-type intake port, which reduces the surface area of the port walls and prevents fuel from adhering to such walls
Toyota_GR_engine
Internal combustion engine type
and size are not an issue, the cycle's potential for high thermodynamic efficiency makes it ideal for diesel compression ignition engines operating in large
Two-stroke_engine
1954 U.S. thermonuclear weapon test in the Marshall Islands
tamper and the spark plug (see below), hence their name equilibrium supers. Since the ablative process takes place on both walls of the radiation channel
Castle_Bravo
Swedish executive station wagon
disadvantage of plug-in vehicles. The V70 PHEV test car uses an 11.3 kWh lithium-ion battery pack. As reported by the test drivers, the V70 Plug-in Hybrid demonstrators
Volvo_V70
Wall or vertical structure covered by living vegetation and growth substrate
"Experimental and simulation study on thermal effects and energy efficiency of a green wall in the humid condition of Rasht". Journal of Energy Management
Green_wall
Household appliance that heats a single room or other small area
the risk of fire and burns. Safe operation includes: Plugging space heaters directly into a wall outlet and not an extension cord or relocatable power
Space_heater
Device that cools air through the evaporation of water
was roughly equal in efficiency to the water consumption of new high efficiency power plants. This means the higher efficiency can be utilized to reduce
Evaporative_cooler
Reciprocating internal combustion engine
ignition technology designed to improve combustion efficiency. The system uses an additional spark plug and ignition coil in a pre-chamber connected to the
BMW_B58
8-speed automatic from 2008
maximum torque available, also the gearbox is available with mild hybrid and plug in hybrid options: With 15 kW (20 hp) and 200 N⋅m (148 lb⋅ft) supporting
ZF_8HP_transmission
Non-airbreathing engine used to propel a missile or vehicle
pressures are desirable for the best thermal efficiency. Nuclear thermal rockets are capable of higher efficiencies, but have low thrust, thanks to the low
Rocket_engine
Technology of indoor and vehicular environmental comfort
filtration, and humidity control. HVAC design considerations include energy efficiency, indoor air quality, maintenance, and environmental impact, particularly
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Engine that uses steam to perform mechanical work
20th century. The efficiency of stationary steam engines increased dramatically until about 1922. The highest Rankine Cycle Efficiency of 91% and combined
Steam_engine
Electricity generation system
2025-10-13 – via YouTube. "All-In-One Plug-And-Play Solar Panels : Be Wary". Matters, Energy (2012-07-15). "What Is A 'Plug And Play' Grid Tie Solar Inverter
Solar_generator
Machine that converts one or more forms of energy into mechanical energy (of motion)
machinery. Some motor units can have multiple sources of energy. For example, a plug-in hybrid electric vehicle's electric motor could source electricity from
Engine
Swedish multinational manufacturer of luxury vehicles
tested have received five-star safety ratings: Volvo C30, V40, V60, V60 plug-in hybrid, XC60 and V70. The second generation Volvo V40 got the best test
Volvo_Cars
Filter designed to remove contaminants from oil
manufacturing magnets that attach to the outside of an oil filter or magnetic drain plugs—first invented and offered for cars and motorcycles in the mid-1930s—to
Oil_filter
Machine component used to compress or contain expanding fluids in a cylinder
efficiency of the engine: the forces required to accelerate and decelerate the reciprocating parts cause more piston friction with the cylinder wall than
Piston
Type of internal combustion engine that uses compression to create combustion
compression-ignition engine (or CI engine). This contrasts with engines using spark plug-ignition of the air-fuel mixture, such as a petrol engine (gasoline engine)
Diesel_engine
Water heaters that instantly heat water as it flows through the device
increased return water temperatures that reduce efficiency. While ‘on demand’ water heating improves energy efficiency, the volume of water available at any given
Tankless_water_heating
Former line of modems (1984–1989)
to plug into a free ISA expansion slot of an IBM PC compatible, while the X models were compact external units intended to be plugged into a wall indefinitely
Popcom
Engine fuel delivery method
loss to the cooling system and thereby lowers engine efficiency. The engine requires glow plugs for starting. In an indirect injection system the air
Indirect_injection
House designed for reduced energy use
those techniques to retro-fitting existing buildings to improve energy efficiency. Triggered in the 1970s by the first energy crisis and growing environmental
Low-energy_house
Valve mechanism for piston engines
freedom of combustion chamber design (few constraints other than the spark plug positioning) means that fuel/air mixture swirl at top dead centre (TDC) can
Sleeve_valve
Small family cars manufactured by Volkswagen
hours, or from a standard 230 V wall outlet in approximately 4 hours (6 hours for generation 8). In common with other plug-in hybrid vehicles, the vehicle
Volkswagen_Golf
Silicon Valley semiconductor company
2001 - Dataweek". www.dataweek.co.za. Retrieved 2025-12-16. "Pulling the plug on standby power". The Economist. ISSN 0013-0613. Retrieved 2025-12-16. Landers
Power_Integrations,_Inc.
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
Male
English
Short form of English William, WILL means "will-helmet."
Surname or Lastname
English
English : topographic name for someone who lived near a spring or stream, Middle English well(e) (Old English well(a)).German : from a short form of the personal names Wallo, Walilo.German : nickname from Middle High German wël ‘round’.
Surname or Lastname
English
English : topographic name for someone who lived by a stone-built wall, e.g. one used to fortify a town or to keep back the encroachment of the sea (Old English w(e)all, from Latin vallum ‘rampart’, ‘palisade’).Northern English : topographic name for someone who lived by a spring or stream, northern Middle English wall(e) (Old English (Mercian) wæll(a); compare Well).Irish : re-Anglicized form of de Bhál, a Gaelicized form of de Valle, the name of a Norman family established in Munster and Connacht.German : topographic name for someone who lived by a defensive wall, Middle High German wal.German : variant of Wahl 2.German : from a short form of the personal name Walther.Swedish : ornamental name from Swedish vall ‘grassy bank’, ‘pasture’, ‘grazing ground’, or in some cases a habitational name from a place named with this element.
Surname or Lastname
English, Scottish, Irish, German, and Scandinavian
English, Scottish, Irish, German, and Scandinavian : from Middle English hall (Old English heall), Middle High German halle, Old Norse hǫll all meaning ‘hall’ (a spacious residence), hence a topographic name for someone who lived in or near a hall or an occupational name for a servant employed at a hall. In some cases it may be a habitational name from places named with this word, which in some parts of Germany and Austria in the Middle Ages also denoted a salt mine. The English name has been established in Ireland since the Middle Ages, and, according to MacLysaght, has become numerous in Ulster since the 17th century.Hall is one of the commonest and most widely distributed of English surnames, bearing witness to the importance of the hall as a feature of the medieval village.
Surname or Lastname
Scottish and northern English
Scottish and northern English : from the medieval personal name Will, a short form of William, or from some other medieval personal names with this first element, for example Wilbert or Willard.English : topographic name for someone who lived by a spring or stream, Middle English wille (from wiell(a), West Saxon form of Old English well(a) ‘spring’). The surname is found predominantly in the south and southwestern parts of the country.German : from a short form of any of the various Germanic personal names beginning with wil ‘will’, ‘desire’.
Male
English
 English surname transferred to forename use, derived from Old English heall "hall," hence "lives at the hall." Middle English name HALL means "to cover, conceal."
Boy/Male
Shakespearean
A Midsummer Night's Dream' Snout, a tinker, acts as Wall in the play within the play.
Girl/Female
Latin
Plum.
Boy/Male
German American Teutonic English
Will-helmet. Famous Bearers: poet and playwright William Shakespeare (1564-1616) and William...
Surname or Lastname
English (Lancashire)
English (Lancashire) : unexplained.Nicholas Waln came from the West Riding of Yorkshire, England, to New Castle, DE, in 1682. A Philadelphia, PA, Waln family flourished in the second half of the 18th century.
Surname or Lastname
English
English : from a Germanic personal name Walo, either a byname meaning ‘foreigner’ (see Wallace), or else a short form of the various compound names with this first element.English : nickname for a well-liked person, from Middle English wale ‘good’, ‘excellent’ (originally meaning ‘choice’).English : topographic name for someone who lived near an embankment, Middle English wale (Old English walu).
Boy/Male
American, Australian, British, Chinese, Christian, English, French, German, Swedish, Teutonic
Purposeful Peace; Will-helmet; Will; Desire; Bright; Famous
Boy/Male
Christian & English(British/American/Australian)
From the Hall or Manor
Surname or Lastname
English
English : unexplained.South German : variant of Walli, from a short form of any Germanic personal name formed with Old High German waltan ‘to rule’ as a first part, as in Walter.
Surname or Lastname
Irish
Irish : reduced form of McCall.English : from Middle English calle ‘close-fitting cap for women’ (from Old French cale), probably applied as a metonymic occupational name. Compare Cale.Catalan : topographic name from call ‘narrow track’ (Latin callis). Compare Calle.Possibly an Americanized spelling of German Koll or Goll.
Surname or Lastname
English
English : nickname for a respectable or decent person, or else a good-looking one, both these senses belonging to Middle English tall (Old English getæl ‘swift’, ‘prompt’). The modern sense ‘of high stature’ did not develop until the end of the 16th century; the usual Middle English equivalents were Long and High.
Male
English
Short form of English Walter, WALT means "ruler of the army."
Surname or Lastname
English and German
English and German : variant spelling of Wall. This name is also established in Mexico.
Surname or Lastname
Scottish or Irish
Scottish or Irish : reduced form of McFall.English : topographic name for someone who lived by a waterfall, declivity, or forest clearing, Middle English fall (from Old English (ge)fall ‘a felling of trees’, Old Norse fall ‘forest clearing’).German : topographic name from Middle High German val ‘fall (of trees)’; in some cases ‘waterfall’ or ‘landslide’, or a habitational name from a minor place named with this word, or in Tyrol from Ladine val ‘valley’.African : unexplained.
Surname or Lastname
English and North German
English and North German : from Middle English plum(b)e, Middle Low German plum(e) ‘plum’, hence a topographic name for someone who lived by a plum tree, or a metonymic occupational name for a fruit grower. Reaney and Wilson, however, derive the English name from Old French plomb ‘lead’ (Latin plumbum), regarding it as a metonymic occupational name for a plumber.German and Jewish (Ashkenazic) : variant of Blum.Americanized form of Pflum.
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
Male
Hawaiian
Hawaiian name IKAIKA means "strong."
Boy/Male
Latin American Spanish
Youthful.
Boy/Male
Gujarati, Hindu, Indian
A Lighted Lamp; Light of God; Glowing; Challenging; A Virtuous Light
Boy/Male
Tamil
Lord Murugan
Boy/Male
Hindu, Indian
Peace; Power; Plenty
Girl/Female
Indian
Preety
Male
English
 Anglicized form of Irish Gaelic Éibhear, HEBER means "bow warrior." Compare with another form of Heber.
Girl/Female
Hindu, Indian
Intelligent
Girl/Female
Tamil
Heaven
Boy/Male
Hindu
Lord of the poor, Protector
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
WALL PLUG-EFFICIENCY
n.
A block of wood let into a wall, to afford a hold for nails.
a.
The whole quantity, extent, duration, amount, quality, or degree of; the whole; the whole number of; any whatever; every; as, all the wheat; all the land; all the year; all the strength; all happiness; all abundance; loss of all power; beyond all doubt; you will see us all (or all of us).
v. t.
To stop with a plug; to make tight by stopping a hole.
n.
A kind of knot often used at the end of a rope; a wall knot; a wale.
n.
The alewife; -- called also wall-eyed herring.
n.
Any smooth, soft larva of a sawfly or moth which creeps like a mollusk; as, the pear slug; rose slug.
imp. & p. p.
of Plug
n.
A wale knot, or wall knot.
v. t.
To inclose with a wall, or as with a wall.
v. i.
See Waul.
n.
A pug mill.
n.
The act of lugging; as, a hard lug; that which is lugged; as, the pack is a heavy lug.
v. t.
To load with a slug or slugs; as, to slug a gun.
v. t.
To defend by walls, or as if by walls; to fortify.
p. pr. & vb. n.
of Plug
n.
An old game played with malls or mallets and balls. See Pall-mall.
v. t.
To close or fill with a wall, as a doorway.
n.
A game formerly common in England, in which a wooden ball was driven with a mallet through an elevated hoop or ring of iron. The name was also given to the mallet used, to the place where the game was played, and to the street, in London, still called Pall Mall.
n.
A place where the game of mall was played. Hence: A public walk; a level shaded walk.
n.
A small plug.