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Efficient Power Conversion (EPC) is a semiconductor company that produces transistors and integrated circuits based on gallium nitride (GaN). The company
Efficient_Power_Conversion
American inventor
co-founder of Efficient Power Conversion (EPC), former CEO of International Rectifier and is the co-inventor of the HEXFET power MOSFET, a power transistor
Alex_Lidow
Danish company specializing in audio amplification apps
began to write a Ph.D. dissertation "Audio Power Amplifiers Techniques Based on Efficient Power Conversion" at the Technical University of Denmark as
ICEpower
Chinese Semiconductor Company
(USITC), after an intellectual property complaint was filed by Efficient Power Conversion (EPC) who alleged infringement of four patents. In November 2024
Innoscience
List of notable semiconductor companies headquartered in the United States
Systems Crossbar Diodes Incorporated DisplayLink Edwards Vacuum Efficient Power Conversion Entegris Entropic Communications ESilicon Everspin Technologies
List of semiconductor companies in the United States
List_of_semiconductor_companies_in_the_United_States
Chemical semiconductor compound
de Rooij; David Reusch; Alex Lidow (2019). GaN Transistors for efficient power conversion (3rd ed.). California, USA: Wiley. p. 3. ISBN 978-1-119-59442-0
Gallium_nitride
Italian academic and businessman
100 patents for power electronics/conversion technology. Patents include: Patrizio Vinciarelli, “Double-clamped ZVS buck–boost power converter,” U.S.
Patrizio_Vinciarelli
Topics referred to by the same term
useful output and input of an energy conversion process Electrical efficiency, useful power output per electrical power consumed Mechanical efficiency, a
Energy_efficiency
American technology company
proprietary HEXFET power MOSFETs, which ultimately saved the company and established its dominance in energy-efficient power conversion systems. In August
International_Rectifier
Power generation via movement of water
outlet and inlet (SI unit: metres) To illustrate, the power output of a turbine that is 85% efficient, with a flow rate of 80 cubic metres per second (2800
Hydropower
Process of changing energy
Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that
Energy_transformation
Methods for higher energy efficiency
Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many
Efficient_energy_use
Ratio to describe data-center efficiency
centers, see Data center. Power usage effectiveness (PUE) or power unit efficiency is a ratio that describes how efficiently a computer data center uses
Power_usage_effectiveness
2016-08-08. "A New Way To Power The World". eeweb.com. 2015-07-07. Retrieved 2016-08-08. "Semitrex: Efficient Power Conversion". semiengineering.com. 2015-03-16
Helix_Semiconductors
Electronic component that exploits the electronic properties of semiconductor materials
of Power | Navitas". 19 March 2021. Retrieved 2023-05-02. "What is GaN? Gallium Nitride (GaN) Semiconductors Explained". Efficient Power Conversion. Retrieved
Semiconductor_device
Electrical device that uses batteries to prevent any interruption of power flow
level offered by double conversion. A hybrid (double conversion on demand) UPS operates as an off-line/standby UPS when power conditions are within a
Uninterruptible_power_supply
Motorized bicycle with an integrated electric motor
electric bicycle, e-bike, electrically assisted pedal cycle, or electrically power assisted cycle is a type of a motorized bicycle with an integrated electric
Electric_bicycle
Technology used in concentrated solar power stations
can run with a small temperature gradient, it is more efficient to use concentrated solar power. The mechanical output can be used directly (e.g. pumps)
Solar-powered_Stirling_engine
Electronic component
typical diodes. Therefore, alternative diodes need to be used for efficient power conversion. In current optical rectenna devices, metal-insulator-metal (MIM)
Optical_rectenna
Conversion of energy from sunlight into electricity
Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or
Solar_power
Voice conversion software
Retrieval-based Voice Conversion (RVC) is an open source voice conversion AI algorithm that enables realistic speech-to-speech transformations, accurately
Retrieval-based Voice Conversion
Retrieval-based_Voice_Conversion
Magnetohydrodynamic converter that transforms thermal and kinetic energy into electricity
percentage of the generated power. The efficiency of the direct energy conversion in MHD power generation increases with the magnetic field strength and the plasma
Magnetohydrodynamic_generator
Type of electronic circuit
components (capacitors). This conversion method can increase or decrease voltage. Switching conversion is often more power-efficient (typical efficiency is 75%
DC-to-DC_converter
Ratio between the useful output and the input of a machine
chemical, electric power, mechanical work, light (radiation), or heat. The resulting value, η (eta), ranges between 0 and 1. Energy conversion efficiency depends
Energy_conversion_efficiency
Power supply with switching regulator
electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, a SMPS transfers power from
Switched-mode_power_supply
Power station in Denmark
into account the energy conversion efficiency reaches 94-96%, making it one of the world's most efficient combined heat and power (CHP) stations. In preparation
Avedøre_Power_Station
Coal-fired power station in Stokes County, North Carolina
2006, it was the fifth most efficient coal power plant in the United States with a heat rate of 9,023 Btu/kWh (37.8% conversion efficiency). The remaining
Belews_Creek_Power_Station
Simultaneous generation of electricity and useful heat
power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time. Cogeneration is a more efficient use
Cogeneration
Technology of power electronics
Power electronics is the application of electronics to the control and conversion of electric power. The first high-power electronic devices were made
Power_electronics
Vehicle propelled fully or mostly by electricity
twice as efficient if electricity production were switched from fossil fuels to renewable energy, such as wind power, tidal power, solar power, and nuclear
Electric_vehicle
Facility that burns fossil fuels to produce electricity
frequently used and cost-efficient method is to convert a plant to run on a different fuel. This includes conversions of coal power plants to energy crops/biomass
Fossil_fuel_power_station
Captured energy for later usage
Renewable energy portal Efficient energy use Energy storage as a service (ESaaS) Grid energy storage Hybrid power List of energy storage power plants List of long-duration
Energy_storage
Rack meant to replace 19-inch racks in data centers
bus bars are supplied with 48 V DC by a shelf of power supplies, which provides efficient conversion from the local (usually three-phase) AC mains supply
Open_Rack
Internal computer component that provides power to other components
computer power supply design. Now all modern computers use switched-mode power supplies, which are lighter, less costly, and more efficient than equivalent
Power_supply_unit_(computer)
Electrical transmission without physical connection
"Wireless power spells end for cables". The Observer. London. Helmers; et al. (2021). "68.9% Efficient GaAs-Based Photonic Power Conversion Enabled by
Wireless_power_transfer
Device that changes direct current (DC) to alternating current (AC)
inverters do not use moving parts in the conversion process. Power inverters are primarily used in electrical power applications where high currents and voltages
Power_inverter
Type of power station
minutes, supplying power during peak, or unscheduled, demand. Since single cycle (gas turbine only) power plants are less efficient than combined cycle
Gas-fired_power_plant
Device used to produce electricity from light
be more efficiently used. The difficulty, however, is that the conversion efficiency of existing phosphors exhibiting up- or down-conversion is low, and
Solar_cell
Form of energy conversion
electrical power. Like other gaseous fuels, producer gas gives greater control over power levels when compared to solid fuels, leading to more efficient and
Gasification
Power system for use on spacecraft
electricity for use on spacecraft. The energy conversion process used by an ASRG is significantly more efficient than previous radioisotope systems, using
Advanced Stirling radioisotope generator
Advanced_Stirling_radioisotope_generator
Method to produce electricity from solar radiation
Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied
Photovoltaics
Environmentally responsible construction principles
application of processes that are environmentally responsible and resource-efficient throughout a building's life cycle: from planning to design, construction
Green_building
Use of mirrors or lenses to heat a fluid for electricity generation
energy), and the thermal conversion efficiency (the efficiency of converting heat energy to electrical power). The maximum conversion efficiency of any thermal
Concentrated_solar_power
Useful power output per electrical power consumed
efficiency. Antenna efficiency Efficient energy use Energy conversion efficiency Index of electronics articles Maximum power transfer theorem Mechanical
Electrical_efficiency
Power plant that generates electricity from heat energy
plants can be of the open cycle or the more efficient combined cycle type. The majority of the world's thermal power stations are driven by steam turbines,
Thermal_power_station
Classification of energy sources in sustainability planning
efficiency of energy conversion, whether in traditional power stations or by improving the performance ratio of photovoltaic power stations and other energy
Energy_hierarchy
Percentage of energy converted into electricity
rate of a 100% efficient plant is simply 1, or 1 kWh/kWh, or 3.6 MJ/kWh, or 3,412 Btu/kWh To express the efficiency of a generator or power plant as a percentage
Power_plant_efficiency
Silicon Valley semiconductor company
used in power conversion for applications ranging from consumer electronics and renewable energy to industrial equipment and automotive power systems
Power_Integrations,_Inc.
Degree to which a process minimizes waste of resources
actual work and ideal work Efficient energy use, the objective of maximising efficiency In thermodynamics: Energy conversion efficiency, measure of second
Efficiency
Facility generating electric power
Considerations for Combined Cycle Power Plants". Power. Wiser, Wendell H. (2000). Energy resources: occurrence, production, conversion, use. Birkhäuser. p. 190
Power_station
T5 retrofit conversion is a means of converting light fittings designed to use T8 format lamps, so that they can use more energy-efficient T5 lamps. This
T5_retrofit_conversion
Extracting energy from the ocean
Ocean thermal energy conversion (OTEC) is a renewable energy technology that harnesses the temperature difference between the warm surface waters of the
Ocean thermal energy conversion
Ocean_thermal_energy_conversion
Biological material from living or recently living organisms
is a general classification of biomass that is produced or sourced for conversion processes. Biofuels such as bioethanol and biodiesel, and bioplastics
Biomass
Electronic device that converts or regulates electric energy and supplies it to a load
with all active power conversion components operating in their linear operating regions. In switching power converters, the input power is converted to
Power_supply
Reducing energy consumption
energy with more efficiency). Energy conservation can be achieved through efficient energy use, which has some advantages, including a reduction in greenhouse
Energy_conservation
Type of radio receiver
(200 meters) to some super-audible frequency which can be amplified efficiently, then passing this current through a radio frequency amplifier and finally
Superheterodyne_receiver
Form of thermal efficiency
(CAFE) EcoAuto (in Canada) Efficient energy use Emission standard Energy content of Biofuel Energy conservation Energy conversion efficiency Energy density
Fuel_efficiency
Electrical power generation from wind
the cost and losses of storage. Although pumped-storage power systems are only about 75% efficient and have high installation costs, their low running costs
Wind_power
Ratio of energy extracted from sunlight in solar cells
typically lower than their cells in isolation. The most efficient mass-produced solar modules have power density values of 175 W/m2 (16.22 W/ft2). In 2026 using
Solar-cell_efficiency
Transport of energy by wind waves, and the capture of that energy to do useful work
power in the United States Wave power ship WavePiston Marine energy Tidal power Ocean thermal energy conversion Osmotic power Office of Energy Efficiency
Wave_power
Consumption of energy by animals and societies
of transport is the most fuel efficient and economical Electricity generation – Process of generating electrical power Energy mix – Primary energy sources
Energy_consumption
Rocket driven by nuclear fusion power
could provide efficient and sustained acceleration in space without the need to carry a large fuel supply. The design requires fusion power technology beyond
Fusion_rocket
applications in power demanding applications such as electric vehicle chargers, power conversion for solar energy, and hydrogen hydrolysis, as well as power supplies
Resonant_converter
Storing surplus electricity production in chemical form
Power-to-X (also P2X and P2Y) are electricity conversion, energy storage, and reconversion pathways from surplus renewable energy. By linking the power
Power-to-X
Subfield of electrical engineering
large-scale power transmission and distribution across the modern world – a significant fraction of the field is concerned with the conversion between AC
Power_engineering
Device that converts heat flux into electrical energy
the power per unit area and the operating period. As a result, it has initiated a search for materials with high power output rather than conversion efficiency
Thermoelectric_generator
Type of design principles for human habitats
employing all or most of its own available resources for a comfortable life: power, climate control, food production, air and water conservation and purification
Arcology
Form of alternating current
flow of power compared with single-phase systems, making it especially efficient for transmitting electricity over long distances and for powering heavy
Three-phase_electric_power
Electrical device that converts AC to DC
to produce DC electric power. It is thought that arrays of antennas could be a more efficient means of producing solar power than solar cells. A related
Rectifier
Type of nuclear battery which generates electric current
1016/j.sse.2015.05.042. S2CID 94359293. Storm, Richard F. "The Most Efficient Thermal Power Generation Plants in America (archived Mar 28, 2021)". Archived
Betavoltaic_device
Efficiency leads to increased demand
observed that consumers tend to travel more when their cars are more fuel efficient, causing a 'rebound' in the demand for fuel. An increase in the efficiency
Jevons_paradox
System that powers a motor vehicle
the drivetrain. It ensures that the power generated by the engine is delivered to the wheels in the most efficient manner, adjusting for speed and load
Powertrain
Technology to convert the energy from tides into useful forms of power
Zealand Tidal power in Scotland Tidal stream generator Marine energy Marine current power Wave power Ocean thermal energy conversion Osmotic power World energy
Tidal_power
Electricity generation by nuclear fusion
particles. In these cases, power extraction systems based on the movement of these charges are possible. Direct energy conversion was developed at Lawrence
Fusion_power
Discussing what form of transport is the most fuel efficient and economical
electricity itself is an exact definition, but it undergoes many conversions e.g. from a power station to the vehicle, so that comparisons require defining
Energy efficiency in transport
Energy_efficiency_in_transport
Process to convert electric power into hydrogen or methane
Effective Power to Gas Conversion) research project started. The objective of the project is the proof of concept of a highly efficient Power-to-Gas technology
Power-to-gas
Energy form not subjected to any human conversion process
non-thermal conversions can be more efficient. For example, while wind turbines do not capture all of the wind's energy, they have a high conversion efficiency
Primary_energy
Conversion between different forms of energy necessitates some energy loss, either to the environment or in a useless form, and fewer conversions improve
Vaneless_ion_wind_generator
solved if transforming voltages from a single universal power line could be done efficiently. Much of early electricity was direct current, which could
History of electric power transmission
History_of_electric_power_transmission
Power generated by geothermal energy
Geothermal power is electrical power generated from geothermal energy. Technologies in use include dry steam power stations, flash steam power stations
Geothermal_power
Solar cell power extraction method
electric power converter system that provides voltage or current conversion, filtering, and regulation for driving various loads, including power grids,
Maximum_power_point_tracking
Electrical engineer
application to inexpensive and efficient renewable energy power conversion for solar power and wind power. Originally from Iran, and educated in Iran and Canada
Maryam_Saeedifard
Work or energy produced from the human body
generators incur losses during the energy conversion process. It is possible to use exercise equipment for power generation, by attaching the moving parts
Human_power
Water and power company in Saudi Arabia
was known as Saline Water Conversion Corporation (SWCC), a government corporation that operated desalination plants and power stations in Saudi Arabia
Saudi_Water_Authority
Systems to distribute electricity
The power station generated direct current and operated at a single voltage. Direct current power could not be transformed easily or efficiently to the
Electric_power_system
Energy that responsibly meets social, economic, and environmental needs
The economic dimension of sustainability covers economic development, efficient use of energy, and energy security to ensure that each country has constant
Sustainable_energy
American fuel cell company
technology generates electricity through a chemical conversion process, which differs from most other power sources reliant on combustion, and can use natural
Bloom_Energy
Ability to influence the behaviour of others
apparatus as efficiently and silently as possible, ensuring its agents do whatever is necessary. It is because of this action that power is unlikely to
Power_(social_and_political)
Reserved for high demand times
of the region's electrical grid. Because of the cost of building an efficient power plant, if a peaker plant is only going to be run for a short or highly
Peaking_power_plant
Assembly of photovoltaic cells used to generate electricity
toxicity and heavy-metal emissions. Despite initial challenges with efficient light conversion, especially among third-generation PV materials, as of 2023 some
Solar_panel
Direct conversion process from heat to electricity via photons
Thermophotovoltaic (TPV) energy conversion is a direct conversion process from heat to electricity via photons. A basic thermophotovoltaic system consists
Thermophotovoltaic energy conversion
Thermophotovoltaic_energy_conversion
Overview of GPS conversion formulas
time. Coordinate conversion is composed of a number of different types of conversion: format change of geographic coordinates, conversion of coordinate systems
Geographic coordinate conversion
Geographic_coordinate_conversion
Technical and technological processes for protection of the environment
fuel cell Hydroelectricity Ocean thermal energy conversion Photovoltaic Solar power Wave energy Wind power Wind turbine The intersection of technology and
Environmental_technology
and reforming capabilities. This opens up the possibility of efficient fuel cell-based power cycles consuming solid fuels such as coal and biomass, the
Integrated gasification fuel cell cycle
Integrated_gasification_fuel_cell_cycle
Type of billing of electricity generated from renewable sources
to the following month, allowing solar power that was generated in July to be used in December, or wind power from March in August. Net metering policies
Net_metering
Coal power plant in Clermont County, Ohio
million to Sargent & Lundy. The conversion process of Zimmer into a coal power plant began in March 1987. During the conversion of the plant from nuclear to
William H. Zimmer Power Station
William_H._Zimmer_Power_Station
Engine that uses steam to perform mechanical work
in power generation, due to lower cost, higher operating speed, and higher efficiency. Note that small scale steam turbines are much less efficient than
Steam_engine
Large machine which accomplishes routine housekeeping
old appliances is one of the most efficient global measures to reduce emissions of greenhouse gases. Modern power management systems also reduce energy
Major_appliance
Semi-automatic pistol
The K100 is a 9×19mm semi-automatic pistol designed and built by Grand Power s.r.o. in Slovenská Ľupča, Slovakia located approximately 11 kilometers east
Grand_Power_K100
Powerplant that uses hydrogen to generate electricity
High-temperature electrolysis at nuclear power plants could produce hydrogen at scale and more efficiently. The DOE Office of Nuclear Energy has demonstration
Hydrogen fuel cell power plant
Hydrogen_fuel_cell_power_plant
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Agile; Efficient
Boy/Male
Indian, Sanskrit
Skillful; Efficient
Boy/Male
Welsh Shakespearean
Pure.
Surname or Lastname
Scottish
Scottish : occupational name for a bow maker, Older Scots bowar, equivalent to English Bowyer.English and Scottish : from Middle English bur, bour ‘bower’, ‘cottage’, ‘inner room’ (Old English būr), hence a topographic name for someone who lived in a small cottage, an occupational name for a house servant who attended his master in his private quarters (see Bowerman), or a habitational name from any of various places, for example in Essex, named Bower or Bowers from this word.
Boy/Male
British, English
Surname Related to Paul; Small
Boy/Male
Hindu, Indian, Marathi
An Efficient Architect
Surname or Lastname
English
English : variant of Power.
Boy/Male
Indian, Punjabi, Sikh
Intelligent; Efficient
Boy/Male
Tamil
Rahulraj | ராஹà¯à®²à®°à®¾à®œ
Efficient, Capable
Rahulraj | ராஹà¯à®²à®°à®¾à®œ
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : regional name for someone from the district north of Paris known in Old French as Gohiere.English (of Norman origin) : habitational name from any of the various places in northern France called Gouy (from the Gallo-Roman personal name Gaudius + the locative suffix -acum), with the addition of the Anglo-Norman French suffix -er.English : from a Norman personal name, Go(h)ier, cognate with the Old English name mentioned at Gooder.Welsh : from the peninsula in southern Wales, of which the Welsh name is Gŵyr.Probably an Americanized spelling of German Gauer.
Surname or Lastname
Irish (Leinster and Munster) and English (of Norman origin)
Irish (Leinster and Munster) and English (of Norman origin) : habitational name for someone from Pois, a place in Picardy (said to have been named with Old French pois ‘fish’ because of its well-stocked river), from Old French Pohier ‘native of Pois’.English : nickname for a poor man, or ironically for a miser, from Middle English, Old French povre, poure ‘poor’ (Latin pauper). Woulfe gives this also as the meaning of the Norman Irish name, which in early records is found as le Poer, believing it to be a nickname for someone who has taken a vow of poverty.
Surname or Lastname
German
German : habitational name for someone from Posa or Poserna, south of Merseburg, or a variant of Pose (see Posey).English : variant of Peiser.
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : occupational name denoting a servant who carried the ewer to guests at table so that they could wash their hands, Anglo-Norman French and Middle English ewerer (related to ewere ‘jug’), with the French definite article l’.Cornish : variant of Flower 4.
Surname or Lastname
English
English : occupational name for a baker, doghere, from an agent derivative of Middle English dogh ‘dough’.Probably an Americanized spelling of German Dauer.
Girl/Female
Gujarati, Indian
Efficient
Boy/Male
Hindu
Efficient, Capable
Surname or Lastname
English
English : variant of Powell.North German : from a form of the personal name Paul.
Girl/Female
Arabic
Efficient
Surname or Lastname
English (East Anglia, chiefly Norfolk)
English (East Anglia, chiefly Norfolk) : occupational name for someone who mowed pasture lands to provide hay, from an agent derivative of Middle English mow(en) ‘mow’ (Old English mÄwen).Welsh : nickname from mawr ‘big’ (see Moore 6).German (Möwer) : nickname from an agent derivative of Middle High German mÅven ‘to torment, trouble, or burden’.
Surname or Lastname
English
English : topographic name for someone who lived near a tower, usually a defensive fortification or watchtower, from Middle English, Old French tūr (Latin turris).English : occupational name for someone who dressed white leather, cured with alum rather than tanned with bark, from an agent derivative of Middle English taw(en) (Old English tawian ‘to prepare, make ready’).English : Americanized spelling of German Tauer.
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
Surname or Lastname
Americanized form of German Schüssler (see Schuessler).English
Americanized form of German Schüssler (see Schuessler).English : possibly a habitational name from Chisley Vale in Norfolk, or alternatively a variant spelling of Chesley.
Girl/Female
Hebrew
Angel.
Surname or Lastname
English and Scottish
English and Scottish : reduced form of Graham.
Girl/Female
Indian, Telugu
One who Gives Shelter
Girl/Female
Hindu
A celestial maiden, An Angel, Most beautiful of apsaras
Girl/Female
Hindu, Indian, Kannada
An Offering
Boy/Male
Indian, Telugu
Lord Vishnu
Female
Hindi/Indian
(कमला) Feminine form of Hindi Kamal, KAMALA means "red."
Boy/Male
Hindu, Indian
First Light
Boy/Male
Hindu, Indian
Land; Friend of Land
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
EFFICIENT POWER-CONVERSION
a.
Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures.
adv.
Deficient in reasoning power; stupid; dull.
n.
A mechanical agent; that from which useful mechanical energy is derived; as, water power; steam power; hand power, etc.
v. t.
To sprinkle with powder, or as with powder; to be sprinkle; as, to powder the hair.
n.
The product arising from the multiplication of a number into itself; as, a square is the second power, and a cube is third power, of a number.
n.
A large quantity; a great number; as, a power o/ good things.
a.
Self-sufficient; self-satisfied; content.
n.
Capacity of undergoing or suffering; fitness to be acted upon; susceptibility; -- called also passive power; as, great power of endurance.
n.
Causing effects; producing results; that makes the effect to be what it is; actively operative; not inactive, slack, or incapable; characterized by energetic and useful activity; as, an efficient officer, power.
n.
Ability to act, regarded as latent or inherent; the faculty of doing or performing something; capacity for action or performance; capability of producing an effect, whether physical or moral: potency; might; as, a man of great power; the power of capillary attraction; money gives power.
v. t.
Power of action; agency; efficiency.
v. i.
To be reduced to powder; to become like powder; as, some salts powder easily.
n.
The quality of being efficient or producing an effect or effects; efficient power; effectual agency.
n.
Ability, regarded as put forth or exerted; strength, force, or energy in action; as, the power of steam in moving an engine; the power of truth, or of argument, in producing conviction; the power of enthusiasm.
a.
Wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment.
a.
Making or doing throughly; efficient; effectual.
n.
An efficient cause; a prime mover.
a.
Equal to the end proposed; adequate to wants; enough; ample; competent; as, provision sufficient for the family; an army sufficient to defend the country.
n.
Alt. of Efficiency
a.
Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workmen; an inefficient administrator.