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Concentration of a drug in the blood before the next dose is administered
In medicine and pharmacology, a trough level or trough concentration (Ctrough) is the concentration reached by a drug immediately before the next dose
Trough_level
Topics referred to by the same term
elongated region of low atmospheric pressure Trough (physics), the lowest point on a wave Trough level (medicine), the lowest concentration of a medicine
Trough
Elongated region of low atmospheric pressure
Near-surface troughs sometimes mark a weather front associated with clouds, showers, and a wind direction shift. Upper-level troughs in the jet stream
Trough_(meteorology)
Weather phenomenon
minimum sea level pressure. Westerly monsoon winds lie in its equatorward portion while easterly trade winds exist poleward of the trough. Right along
Monsoon_trough
Measure of change in a periodic variable
p–p or PtP or PtoP) is the change between peak (highest signal value) and trough (lowest signal value, which can be negative). With appropriate circuitry
Amplitude
Gorge in West Virginia, United States
The Trough is a 6-mile-long (9.7 km) wooded gorge carved by the South Branch Potomac River (SBPR) and situated in the Allegheny Mountains of Hampshire
The_Trough
Tectonic pull-apart basin in the United States and Mexico
in Mexico. At 236 ft (72 m) below sea level, the Salton Sink is the topographic low area within the Salton Trough and is the second-lowest point, after
Salton_Trough
Bridge in India
height of the pillars reaching 115 ft. The trough structure is 7 ft in height, with a width of 7.5 ft. The trough is partly covered with concrete slabs, allowing
Mathur_Aqueduct
Device to fill steam locomotives
A water trough (British terminology), or track pan (American terminology), is a device to enable a steam locomotive to replenish its water supply while
Water_trough
Ommen; Melchior van Wessem; Duncan A. Young (2019-12-12). "Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice
List of places on land with elevations below sea level
List_of_places_on_land_with_elevations_below_sea_level
Nonlinear and periodic surface wave on an inviscid fluid layer of constant mean depth
∂Φ/∂t and ∂Φ/∂x – being periodic. Here β is the mean flow velocity below trough level, and γ is related to the hydraulic head as observed in a frame of reference
Stokes_wave
Printing technology and system based on reconfigurable blocks of glyphs
font-casting process: At first, one cuts letters in beech wood. One fills a trough level with fine sandy [clay] of the reed-growing seashore. Wood-cut letters
Movable_type
Major geological structure underlying a large part of Nigeria
The Benue Trough is a major geological structure underlying a large part of Nigeria and extending about 1,000 km northeast from the Bight of Benin to Lake
Benue_Trough
Trough in the upper-level tropics
tropical upper tropospheric trough (TUTT), also known as the mid-oceanic trough, is a trough situated in the upper-level (at about 200 hPa) tropics. Its
Tropical upper tropospheric trough
Tropical_upper_tropospheric_trough
Type of gender-affirming medical treatment
dose and titrated upwards based on trough levels (blood levels drawn just before your next shot). A trough level of 500 ng/dL is sought. (Normal range
Masculinizing_hormone_therapy
Pharmaceutical drug
before the next dose, which gives the trough level. However, good correlation is noted between trough concentration levels and drug exposure, known as area
Sirolimus
Antibiotic medication
vancomycin levels may be monitored in an effort to reduce side effects, but the value of such monitoring has been questioned. Peak and trough levels are usually
Vancomycin
Member of the polyomavirus family
trough levels of 50—100 μg/ml. Failure was seen in patients with leflunomide plasma levels < 40 μg/ml. One study of 21 patients found that low levels
BK_virus
Mood-stabilizing psychiatric medication
concentration, usually measured 12 hours after the last dose (12-hour trough level). According to Stahl's Prescriber's Guide, target concentrations for
Lithium_(medication)
Group of pharmaceuticals that modulate the renin–angiotensin system
the latter are at variance now.[citation needed] Pressor inhibition at trough level — this relates to the degree of blockade or inhibition of the blood pressure-raising
Angiotensin II receptor blocker
Angiotensin_II_receptor_blocker
Geological feature in Queensland, Australia
The Denison Trough is a geological feature that has developed into a hydrocarbon province. Located in Central Queensland, it covers much of the western
Denison_Trough
Ancient geologic feature of Florida present during the Paleogene period
The Gulf Trough, also known as the Suwanee Straits, is an ancient geologic feature of Florida present during the Paleogene period. A strong marine current
Gulf_Trough
Mountain pass in Lancashire, England
The Trough of Bowland is a valley and high pass in the Forest of Bowland Area of Outstanding Natural Beauty, Lancashire, England. The pass, reaching 968 ft
Trough_of_Bowland
Pharmacokinetic metrics
Peak-to-trough ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as
Peak-to-trough_ratio
Undersea trough in the Atlantic Ocean
Kings Trough (sometimes spelled King's Trough) is an undersea trough in the North Atlantic Ocean. It is located on the east side of the Mid-Atlantic Ridge
Kings_Trough
A flushing trough is a long cistern which serves several toilet pans. It is designed to allow a shorter interval between flushes than individual cisterns
Flushing_trough
Moat-like depression of the seafloor surrounding the Hawaiian Islands
The Hawaiian Trough, otherwise known as the Hawaiian Deep, is a moat-like depression of the seafloor surrounding the Hawaiian Islands. The weight from
Hawaiian_Trough
Oceanic trench off the east coast of New Zealand
The Hikurangi Trough (previously known as the Hikurangi Trench) is a sea floor feature of the Pacific Ocean off the north-east South Island and the east
Hikurangi_Trough
trough trending NE-SW with depths reaching to 1,500 metres below sea level. The trough extends southwest from about 7630S, 3500W, in the Weddell Sea; underlies
Thiel_Trough
Genetic disorder which disrupts normal functioning of the olfactory and pituitary glands
prostate-specific antigen (PSA). If injections are used, trough levels are taken to ensure an adequate level of testosterone is achieved throughout the injection
Kallmann_syndrome
Chemical compound
hepatocellular carcinoma after liver transplantation was correlated. A target trough level of 3 ng/mL at 3 months was shown to be beneficial in recipients with
Everolimus
Embedded kink in the trough / ridge pattern
A shortwave or shortwave trough is an embedded kink in the trough / ridge pattern. Its length scale is much smaller than that of and is embedded within
Shortwave_(meteorology)
Country in South Asia
of the emerging Himalayas, plate movement created a vast crescent-shaped trough that rapidly filled with river-borne sediment and now constitutes the Indo-Gangetic
India
15th century: At first, one cuts letters in beech wood. One fills a trough level with fine sandy [clay] of the reed-growing seashore. Wood-cut letters
History of printing in East Asia
History_of_printing_in_East_Asia
Area with air pressures lower than adjacent areas
in the area on the east side of upper troughs, which form half of a Rossby wave within the Westerlies (a trough with large wavelength that extends through
Low-pressure_area
Type of gender-affirming medical treatment
trough concentrations. This makes frequent, small sublingual or rectal doses, a very efficient way to create a stable and constant increase in trough
Feminizing_hormone_therapy
the north and west, dividing the seabight from the Rockall Trough. The deepwater Rockall Trough extends for about 1,000 km from the Porcupine Abyssal Plain
Rockall–Porcupine_margin
Rapid decrease in Earth's biodiversity
gradual and continuous background extinction rate with smooth peaks and troughs. This strongly supports the utility of rapid, frequent mass extinctions
Extinction_event
Town in Lancashire, England
(305 m) above sea level; the Deerplay area of Weir is 1,350 feet (411 m) above sea level; Bacup town centre is 835 feet (255 m) above sea level. Bacup is surrounded
Bacup
Nonlinear and exact periodic wave solution of the Korteweg–de Vries equation
trough elevation, η2 the trough elevation, m the elliptic parameter, c the phase speed and cn one of the Jacobi elliptic functions. The trough level η2
Cnoidal_wave
Meteorological phenomenon
near-equatorial trough. Where the ITCZ is drawn into and merges with a monsoonal circulation, it is sometimes referred to as a monsoon trough (a usage that
Intertropical Convergence Zone
Intertropical_Convergence_Zone
Relative peak or lull in the sea level pressure distribution
two areas: On the east side of upper troughs, which form half of a Rossby wave within the Westerlies (a trough with large wavelength, which extends through
Pressure_system
Bottom of a pipe, trench, or tunnel
find the invert level of a corrugated pipe, the high point of the ridges inside of the pipe are used, as water will fill up the trough between grooves
Invert_level
Antibiotic
concentration, peak levels (one hour after the intravenous dose is given) should be 10–20 μg/mL with toxicity > 40 μg/mL; trough levels (taken immediately
Chloramphenicol
Expression of wave height
roughly half the actual measured or estimated height of a wave's face (trough to crest height). Thus, a "3-foot" wave is roughly six feet high (in actuality
Hawaiian_scale
Large scale rotating air mass
Under specific circumstances, upper level cold lows can break off from the base of the tropical upper tropospheric trough (TUTT), which is located mid-ocean
Cyclone
Mostly submerged continental crust area in Oceania
the New Caledonia Basin from its previous continuation through the Bounty Trough.[citation needed] Compression across the boundary has uplifted the Southern
Zealandia
English progressive rock band (1968–present)
2021. Fripp, Robert (21 April 2017). "Robert Fripp's Diary: Breakfasting Trough, Hotel Acceptable, Bedford". Dgmlive.com. Archived from the original on
King_Crimson
Oceanic trough between New Caledonia and New Zealand
Basin Fair– way Ridge Fair– way Basin New Cale- donia Trough New Cale- donia Basin South Fiji Basin North Fiji Basin Central Norfolk
New_Caledonia_Trough
Geographic sink in California
the larger Salton Trough and separates the Coachella Valley from the Imperial Valley, which are also segments of the Salton Trough. The lowest point of
Salton_Sink
Natural gas field in Japan
Hydrate R&D Program at Nankai, Nankai Trough Methane Hydrate Site) is located in the Nankai Trough, Japan. The Nankai Trough is located beneath the Pacific Ocean
Nankai Trough gas hydrate site
Nankai_Trough_gas_hydrate_site
Fault along Metro Manila and surrounding areas
preparedness occupies a low priority among officials down to the municipal level. Galgana, Gerald (2007). "Analysis of crustal deformation in Luzon, Philippines
Marikina_Valley_fault_system
Graphical presentation of the maturity of specific technologies
accompanied by scores of failures. Some companies take action; most do not. 3. Trough of disillusionment Interest wanes as experiments and implementations fail
Gartner_hype_cycle
Ocean trench south of New Zealand
deepest point of Hjort Trench is approximately 6.3 km (3.9 mi) below sea level. To the east, the Hjort ridge follows the general curve of the trench, separating
Hjort_Trench
Fast-flowing atmospheric air current
are caused by changes in the Coriolis effect with latitude. Shortwave troughs, are smaller scale waves superimposed on the Rossby waves, with a scale
Jet_stream
Mark Vertical lift: max. 38 m (125 ft) (depending on the water level of the Elbe) Trough size: usable length x usable width x water depth 105 m × 12 m
Scharnebeck_twin_ship_lift
(located 9,200 metres (30,200 ft) above sea level) to locate the circumpolar troughs and ridges, trough lines extend over the eastern and central North
Upper tropospheric cyclonic vortex
Upper_tropospheric_cyclonic_vortex
Region of rotation within a powerful thunderstorm
wind shear. This shear classically coincides with the presence of a strong trough which may lead to an extratropical cyclone, a type of cyclone that forms
Mesocyclone
Natural submerged sandbank that rises from a body of water to near the surface
gravelbars, or bars. Two or more shoals that are either separated by shared troughs or interconnected by past or present sedimentary and hydrographic processes
Shoal
Low area between hills, often with a river running through it
glaciated mountain landscapes. The upper end of the trough below the ice-contributing cirques may be a trough-end. Valley steps (or 'rock steps') can result
Valley
Medical procedure
for kidney or liver function tests for liver, and immunosuppressant trough levels), imaging (eg, ultrasound/Doppler studies for transplanted kidneys and
Transplantation_(medicine)
17–20 across the Midwest and parts of the South as a slow-moving upper-level trough moved through the region. On April 17, an intense tornado touched down
Tornadoes_of_2025
Japanese academic
archaeology. He has extensively researched the formation of the Okinawa Trough, and claimed to have predicted the volcanic eruptions in Miyake Island (1983)
Masaaki_Kimura
Canal bridge over the Great Ouse
Cosgrove aqueduct is a navigable cast iron trough navigable aqueduct that carries the Grand Union Canal over the River Great Ouse, on the borders between
Cosgrove_Aqueduct
Prehistoric impact crater in Mexico
Cretaceous basin within the Yucatán area that has been named the Yucatán Trough, running approximately south–north, widening northwards, explaining the
Chicxulub_crater
of an upper-level trough. Dexter completed its extratropical transition the following day, upon merging with a mid- to upper-level trough. After completing
2025 Atlantic hurricane season
2025_Atlantic_hurricane_season
Tectonic plate in Central America and the Caribbean
(Motagua Fault), and Honduras in Central America, eastward through the Cayman trough along the Swan Islands Transform Fault before joining the southern boundary
Caribbean_plate
Megathrust earthquake in Russia
Hawaii, Josh Green, said data from Midway Atoll measured waves from peak to trough of 1.8 m (6 ft) and noted that a wave of that size could dislodge trees
2025_Kamchatka_earthquake
Atlantic tropical storm in 2026
wind shear, degenerating into a post-tropical cyclone and opening into a trough early the following morning after making landfall near Galveston. As of
Tropical_Storm_Arthur_(2026)
Type of atmospheric trough
easterly wave), in and around the Atlantic Ocean, is a type of atmospheric trough, an elongated area of relatively low air pressure, oriented north to south
Tropical_wave
Natural disaster
mid-March 2026, an upper-level trough was located northwest of Hawaii. A surface low pressure area formed within the trough, also known as a Kona storm
2026_Hawaii_floods
west of the Pacific Cordillera lies an extensive lowland, the Davao-Agusan Trough. Its northern portion includes the Agusan Valley which forms the lower river
Geography_of_the_Philippines
1925 tornado in Missouri, Illinois and Indiana, U.S.
advecting from the Gulf of Mexico. Simultaneously, a mid- to upper-level shortwave trough likely approached the northwest coast of the U.S. and moved rapidly
1925_Tri-State_tornado
Use of mirrors or lenses to heat a fluid for electricity generation
price in 2017 at US$73 per MWh for its 700 MW combined trough and tower project: 600 MW of trough, 100 MW of tower with 15 hours of thermal energy storage
Concentrated_solar_power
Pacific typhoon in 1977
cell in the tropical upper tropospheric trough (TUTT) approached Kim from the east, which enhanced upper-level outflow, which caused a secondary peak of
Typhoon_Kim_(1977)
2002 WV WV - SOUTHEAST FIRE COMPLEX - 11/16/2001 FM-2391-WV 2002 WV WV - TROUGH AND SMOKE HOLE FIRE COMPLEX - 11/16/2001 FM-2392-WV 2002 VA VA - SHENANDOAH
List of FEMA Disaster and other Emergency Declarations
List_of_FEMA_Disaster_and_other_Emergency_Declarations
branch of the jet stream remained in Canada. This coupled with persistent "troughing" in the eastern United States and severe drought conditions across the
List of United States tornadoes from May to June 2026
List_of_United_States_tornadoes_from_May_to_June_2026
normal water level difference of 16 metres, however, changing water levels on the Elbe causes this to vary between 11 and 18 metres. The trough moves between
Rothensee_boat_lift
Westernmost region of the African continent
The eastern border is less precise, with some placing it at the Benue Trough, and others on a line running from Mount Cameroon to Lake Chad. Colonial
West_Africa
Category 4 Atlantic hurricane in 2024
September 25 as it entered the Gulf of Mexico while turning north. An upper-level trough to its west and a ridge of high pressure located off the Southeastern
Hurricane_Helene
Antisemitic internet slang term
expressed online through references to "goycattle" being herded to their troughs. Goyslop attracted mainstream attention in late 2024 in the context of
Goyslop
Boundary separating two masses of air of different densities
be identified using isobars since cold fronts often align with a surface trough. On weather maps, the surface position of the cold front is marked by a
Weather_front
EF4 tornado in Kentucky, U.S.
front, with a surface trough ahead of the mid-level wave will mature. The models depicted an environment where the mean level convective available potential
2025_Somerset–London_tornado
Cyclone with an associated cold pool of air at high altitude
cyclones and that of the lower tropospheric monsoon troughs and the tropical upper tropospheric trough. Tropical cyclone movement can also be influenced
Cold-core_low
Island country in the Pacific Ocean
under the other, producing the Puysegur Trench to the south, the Hikurangi Trough east of the North Island, and the Kermadec and Tonga Trenches further north
New_Zealand
American grading system for rock climbs
Initially the scale was based on ten climbs at Tahquitz, and ranged from the "Trough" at 5.0, a relatively modest technical climb, to the "Open Book" at 5.9
Yosemite_Decimal_System
AI that generates content
Economist to characterize the period as entering the Gartner hype cycle's "trough of disillusionment" phase. Generative artificial intelligence has been applied
Generative_AI
Category 5 Atlantic hurricane in 2024
in the Eastern Pacific–before the combined system degenerated to a broad trough on October 1. The southern end of this disturbance then interacted with
Hurricane_Milton
tropical tropospheric trough (TUTT), an area of convection was first noted southeast of the upper trough in an area with favorable upper level divergence on July
1984_Pacific_typhoon_season
F5 tornado in Oklahoma, U.S.
Dover, Choctaw and Stroud. The outbreak was caused by a vigorous upper-level trough that moved into the Central and Southern Plains states on the morning
1999 Bridge Creek–Moore tornado
1999_Bridge_Creek–Moore_tornado
Earthquake in Japan
Pacific and Philippine Sea plates occurs at the Japan Trench and Nankai Trough, respectively. The west coast of Honshu, bordering the Sea of Japan, is
2024_Noto_earthquake
Geographic feature in Antarctica
west of Dais Col. The relatively level ledge rises to 1,000 metres (3,300 ft) and is bounded west and north by Healy Trough. Cliffs and slopes bordering the
Labyrinth_(Antarctica)
landslide caused by torrential rain, brought by the northeast monsoon and the trough of a low pressure area, hit Mindanao, with damages reaching ₱3.62 billion;
2024_in_the_Philippines
Body of water
is a trough-like graben about 400 kilometres (250 mi) long and 100 kilometres (62 mi) wide, running from the southwest to the northeast. The trough is about
Lake_Kisale
Martha, S. O. (2026). "Upper Paleocene (Thanetian) bryozoans from the Turgay Trough in northern Kazakhstan". Palaeontologia Electronica. 29 (1) 29.1.a15. doi:10
2026_in_paleontology
Geological feature northwest of Scotland and Ireland
basin that lies beneath the deepwater bathymetric feature, the Rockall Trough. Both are named after Rockall, a rocky islet lying 301.4 km (187.3 mi) west
Rockall_Basin
Geological feature in British Columbia, Canada
characterized by predominantly low elevation topography and submerged troughs. Above sea level it includes lowland areas along the coast and islands, while much
Hecate_Depression
Prehistoric lake in the Salton Sea basin of California
5,400 square kilometres (2,100 sq mi) of the land is below sea level. The Salton Trough extends 225 kilometres (140 mi) northwest and has a width of 110
Lake_Cahuilla
Fracture or discontinuity in displaced rock
asperities. Stress builds up when a fault is locked, and when it reaches a level that exceeds the strength threshold, the fault ruptures and the accumulated
Fault_(geology)
EF5 tornado in North Dakota, US
seasonally strong mid-level trough was forecast to eject over the Northern Plains on June 20, which featured moderate upper-level divergence to promote
2025_Enderlin_tornado
TROUGH LEVEL
TROUGH LEVEL
Boy/Male
Irish
From an Irish name meaning “â€one who aids or assists.â€â€ It is usually translated as Terence and Terry, two names that have become strongly associated with Ireland. Turlough O’Carolan was a 17th century blind harpist and composer who wrote one of the most haunting pieces of Irish music, “â€O’Carolan’s Concerto.â€â€
Surname or Lastname
English
English : habitational name from a place so named in Humberside. Recorded in Domesday Book as Rutha, the place name may derive from Old Norse hrúedhr ‘rough shaly ground’.
Girl/Female
Arabic, Muslim
Brightness
Boy/Male
Hindu
First Ray of sunlight
Boy/Male
Irish
Strand.
Male
English
Anglicized form of Irish Gaelic Toirdhealbhach, TURLOUGH means "instigator."
Surname or Lastname
English
English : variant spelling of Trout.
Surname or Lastname
English
English : topographic name for someone who lived near a swamp or bog, from Old English slÅh ‘slough’, or a habitational name from one of the various places named with this word, for example Slough in Berkshire.
Surname or Lastname
English
English : habitational name from any of various places called Brough, of which there are several in Yorkshire and Derbyshire as well as elsewhere. The place name is from Old English burh ‘fortress’ and in most cases these are the sites of Roman fortifications. The pronunciation is usually ‘bruff’.Possibly an altered spelling of German Brauch.
Surname or Lastname
English
English : topographic name for someone who lived near a precipitous slope, Middle English clough (Old English clÅh ‘ravine’).Welsh : nickname from cloff ‘lame’.
Surname or Lastname
Scottish
Scottish : variant of Tulloch. In Scotland it is pronounced tyookh.English : nickname for a valiant or stubborn person, from Middle English togh, tow(e) ‘steadfast’.
Surname or Lastname
English
English : from Middle English crouch, Old English crūc ‘cross’ (a word that was replaced in Middle English by the word cross, from Old Norse kross), applied either as a topographic name for someone who lived by a cross or possibly as a nickname for someone who had carried a cross in a pageant or procession.Dutch : from Middle Dutch croech ‘jug’, ‘pitcher’, hence a metonymic occupational name for a potter.
Surname or Lastname
English
English : variant spelling of Brough.
Surname or Lastname
English
English : from Middle English plow ‘plow’, metonymic occupational name for a plowwright or plowman. In some cases it may have been a topographic name for someone who lived at the edge of an area of plowed land.
Girl/Female
Arabic, Muslim
Princess of Paradise; Angel of Paradise
Surname or Lastname
English
English : from Middle English trowte ‘trout’, hence a metonymic occupational name for a fisherman, or a nickname for someone supposedly resembling the fish.Altered spelling of German Traut.
Surname or Lastname
English (West Midlands)
English (West Midlands) : nickname from Middle English trowthe, trouthe ‘good faith’, ‘loyalty’. By my troth was a common phrase emphasizing the veracity of an assertion, and the nickname may have been bestowed on someone who used it habitually or to excess.
Boy/Male
Muslim
First Ray of sunlight
Male
Vietnamese
Vietnamese name TRONG means "respected."
Girl/Female
Muslim/Islamic
Angel of paradise
TROUGH LEVEL
TROUGH LEVEL
Boy/Male
Polish American English Latin
White.
Boy/Male
Arabic, Hindu, Indian, Muslim, Pashtun, Traditional
The Righteousness of the Faith
Girl/Female
Tamil
Subasini | ஸà¯à®ªà®¸à¯€à®¨à¯€Â
Soft spoken, Nice girl, Well-spoken
Female
Egyptian
, Most Beautiful Sun.
Surname or Lastname
English
English : variant of Gibb.German : from a short form of a Germanic personal name formed with the stem geb ‘gift’, as in Gebhard (see Gebhardt).
Boy/Male
Hindu, Indian
Strong
Girl/Female
Indian
Female
Czechoslovakian
, wisdom.
Boy/Male
Indian
Visible
Girl/Female
Latin American French
Light.
TROUGH LEVEL
TROUGH LEVEL
TROUGH LEVEL
TROUGH LEVEL
TROUGH LEVEL
n.
Having inequalities, small ridges, or points, on the surface; not smooth or plain; as, a rough board; a rough stone; rough cloth.
n.
Tempestuous; boisterous; stormy; as, rough weather; a rough day.
a.
Passing through; as, thorough lights in a house.
prep.
From the beginning to the end of; to the end or conclusion of; as, through life; through the year.
n.
A wooden trough, forming a drain.
v. t.
To cut or make in a hasty, rough manner; -- with out; as, to rough out a carving, a sketch.
n.
Truth; verity; veracity; as, by my troth.
prep.
Through.
adv.
In a rough manner; rudely; roughly.
prep.
Between the sides or walls of; within; as, to pass through a door; to go through an avenue.
a.
Passing through or to the end; hence, complete; perfect; as, a thorough reformation; thorough work; a thorough translator; a thorough poet.
superl.
Severe; violent; as, a tough storm.
adv.
From beginning to end; as, to read a letter through.
prep.
Over the whole surface or extent of; as, to ride through the country; to look through an account.
n.
Hastily or carelessly done; wanting finish; incomplete; as, a rough estimate; a rough draught.
adv.
Through.
n.
Any channel, receptacle, or depression, of a long and narrow shape; as, trough between two ridges, etc.
v. t.
To render rough; to roughen.
prep.
Among or in the midst of; -- used to denote passage; as, a fish swims through the water; the light glimmers through a thicket.
a.
Going or extending through; going, extending, or serving from the beginning to the end; thorough; complete; as, a through line; a through ticket; a through train. Also, admitting of passage through; as, a through bridge.