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Glossary · MWE Terms · F

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TermTypeDefinitionClassificationsUpdated
Flue StopnounMWEan organ stop with the tone of a flue pipeverifiedMay 18, 2026
Fluent AphasianounMWEaphasia characterized by fluent but meaningless speech and severe impairment of the ability understand spoken or written wordsverifiedMay 18, 2026
fluff upverbMWEmake fuller by shakingverifiedJun 3, 2026
Fluffy OmeletnounMWEsouffle-like omelet made by beating and adding the whites separatelyverifiedMay 18, 2026
Fluid DrachmnounMWEa British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimetersverifiedMay 18, 2026
Fluid DramnounMWEa British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimetersverifiedMay 18, 2026
Fluid DrivenounMWEan automotive power couplingverifiedMay 18, 2026
Fluid FlywheelnounMWEa kind of fluid coupling in which the flywheel is the driving rotorverifiedMay 18, 2026
Fluid MechanicsnounMWEstudy of the mechanics of fluidsverifiedMay 18, 2026
flump downverbMWEfall heavilycandidateJun 3, 2026
Fluorescein IsocyanatenounMWEa fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescenceverifiedMay 18, 2026
Fluorescein IsothiocyanatenounMWEa fluorochrome commonly conjugated with antibodies for use in indirect immunofluorescenceverifiedMay 18, 2026
Fluorescence MicroscopynounMWElight microscopy in which the specimen is irradiated at wavelengths that excite fluorochromesverifiedMay 18, 2026
Fluorescent DyenounMWEa yellow dye that is visible even when highly dilutedverifiedMay 18, 2026
Fluorescent FixturenounMWEa lighting fixture that uses a fluorescent lampverifiedMay 18, 2026
Fluorescent LampnounMWElamp consisting of a tube coated on the inside with a fluorescent materialverifiedMay 18, 2026
Fluoroboric AcidnounMWEan acid of fluorine and boronverifiedMay 18, 2026
Fluosilicic AcidnounMWEan unstable poisonous corrosive acid known primarily in the form of its saltsverifiedMay 18, 2026
Fluoxetine HydrocholoridenounMWEa selective-serotonin reuptake inhibitor commonly prescribed as an antidepressant (trade names Prozac or Sarafem)verifiedMay 18, 2026
Flurazepam HydrochloridenounMWEtranquilizer (trade name Dalmane) used to treat insomniaverifiedMay 18, 2026
flush downverbMWEflow freelyverifiedJun 3, 2026
flush itverbMWEfail to get a passing gradeverifiedJun 3, 2026
Flush ToiletnounMWEa toilet that is cleaned of waste by the flow of water through itverifiedMay 18, 2026
Flushless ToiletnounMWEa toilet that relies on bacteria to break down waste matter (instead of using water)verifiedMay 18, 2026
Flute GlassnounMWEa tall narrow wineglassverifiedMay 18, 2026
Flute PlayernounMWEsomeone who plays the fluteverifiedMay 18, 2026
Flutter KicknounMWEa swimming kickverifiedMay 18, 2026
Flux ApplicatornounMWEan applicator for applying flux (as in soldering)verifiedMay 18, 2026
Flux DensitynounMWE(physics) the number of changes in energy flow across a given surface per unit areaverifiedMay 18, 2026
Flux Density UnitnounMWEa measure of the amount of flux per unit of cross sectional areaverifiedMay 18, 2026
Flux UnitnounMWEa measure of the strength of a magnetic field per unit areaverifiedMay 18, 2026
Fluxing LimenounMWEa white crystalline oxide used in the production of calcium hydroxideverifiedMay 18, 2026
Fly AgaricnounMWEpoisonous (but rarely fatal) woodland fungus having a scarlet cap with white warts and white gillsverifiedMay 18, 2026
Fly AshnounMWEfine solid particles of ash that are carried into the air when fuel is combustedverifiedMay 18, 2026
Fly BallnounMWE(baseball) a hit that flies up in the airverifiedMay 18, 2026
fly blindverbMWEfly an airplane solely by relying on instrumentsverifiedJun 3, 2026
fly byverbMWEpass by while flyingverifiedJun 3, 2026
Fly CastingnounMWEcasting an artificial fly as a lureverifiedMay 18, 2026
fly contactverbMWEfly a plane by using visible landmarks or points of referenceverifiedJun 3, 2026
Fly FloornounMWEa narrow raised platform at the side of a stage in a theaterverifiedMay 18, 2026
Fly FrontnounMWEan opening in a garment that is closed by a zipper or by buttons concealed under a fold of clothverifiedMay 18, 2026
Fly GallerynounMWEa narrow raised platform at the side of a stage in a theaterverifiedMay 18, 2026
fly highverbMWEmake steady progresscandidateJun 3, 2026
Fly HoneysucklenounMWEerect deciduous North American shrub with yellow-white flowersverifiedMay 18, 2026
fly in the face ofverbMWEgo againstverifiedJun 3, 2026
Fly in the OintmentnounMWEan inconvenience that detracts from the usefulness of somethingverifiedMay 18, 2026
fly in the teeth ofverbMWEgo againstverifiedJun 3, 2026
fly off the handleverbMWEget very angry and fly into a ragecandidateJun 3, 2026
fly onverbMWEcontinue flyingverifiedJun 3, 2026
fly openverbMWEcome open suddenlycandidateJun 3, 2026
Fly OrchidnounMWEany of several dwarf creeping orchids with small bizarre insect-like hairy flowers on slender stalksverifiedMay 18, 2026
Fly PoisonnounMWEall parts of plant are highly toxicverifiedMay 18, 2026
Fly RodnounMWEa long flexible fishing rod used in fly fishingverifiedMay 18, 2026
Fly SheetnounMWEflap consisting of a piece of canvas that can be drawn back to provide entrance to a tentverifiedMay 18, 2026
Fly TentnounMWEa tent with a fly frontverifiedMay 18, 2026
fly the coopverbMWEfleeverifiedJun 3, 2026
Flycatching WarblernounMWEany of numerous American wood warblers that feed on insects caught on the wingverifiedMay 18, 2026
Flying BirdnounMWEbirds having keeled breastbones for attachment of flight musclesverifiedMay 18, 2026
Flying BoatnounMWEa large seaplane that floats with its fuselage in the water rather than on pontoonsverifiedMay 18, 2026
Flying BombnounMWEa small jet-propelled winged missile that carries a bombverifiedMay 18, 2026
Flying BridgenounMWEthe highest navigational bridge on a shipverifiedMay 18, 2026
Flying ButtressnounMWEa buttress that stands apart from the main structure and connected to it by an archverifiedMay 18, 2026
Flying CarpetnounMWEan imaginary carpet that will fly people anywhere they wish to go, found in some Middle Eastern folk talesverifiedMay 18, 2026
Flying CatnounMWEarboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leapsverifiedMay 18, 2026
Flying ColorsnounMWEcomplete successverifiedMay 18, 2026
Flying ColoursnounMWEcomplete successverifiedMay 18, 2026
Flying DragonnounMWEany of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the bodyverifiedMay 18, 2026
Flying DrainpipenounMWEa simple type of jet engineverifiedMay 18, 2026
Flying FieldnounMWEa place where planes take off and landverifiedMay 18, 2026
Flying FishnounMWEtropical marine fishes having enlarged winglike fins used for brief gliding flightverifiedMay 18, 2026
Flying FoxnounMWElarge bat with a head that resembles the head of a foxverifiedMay 18, 2026
Flying GeckonounMWEa gecko that has membranous expansions along the sides of its body and limbs and tail that enable it to glide short distancesverifiedMay 18, 2026
Flying GurnardnounMWEtropical fish with huge fanlike pectoral fins for underwater glidingverifiedMay 18, 2026
Flying JibnounMWEthe outermost of two or more jibsverifiedMay 18, 2026
Flying LemurnounMWEarboreal nocturnal mammal of southeast Asia and the Philippines resembling a lemur and having a fold of skin on each side from neck to tail that is used for long gliding leapsverifiedMay 18, 2026
Flying LizardnounMWEany of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the bodyverifiedMay 18, 2026
Flying MarenounMWEa wrestling maneuververifiedMay 18, 2026
Flying MarmotnounMWEEast Indian flying squirrelverifiedMay 18, 2026
Flying MousenounMWEtiny flying phalangerverifiedMay 18, 2026
Flying OpossumnounMWEnocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the bodyverifiedMay 18, 2026
Flying PhalangernounMWEnocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the bodyverifiedMay 18, 2026
Flying ReptilenounMWEan extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimbverifiedMay 18, 2026
Flying RobinnounMWEtropical fish with huge fanlike pectoral fins for underwater glidingverifiedMay 18, 2026
Flying SaucernounMWEan (apparently) flying object whose nature is unknownverifiedMay 18, 2026
Flying SchoolnounMWEa school for teaching students to fly airplanesverifiedMay 18, 2026
Flying SquadnounMWEa mobile group of trained people (police or executives or officials) able to move quickly in the case of emergenciesverifiedMay 18, 2026
Flying SquirrelnounMWEnocturnal phalangers that move with gliding leaps using parachute-like folds of skin along the sides of the bodyverifiedMay 18, 2026
Flying StartnounMWEa racing start in which the contestants are already in full motion when they pass the starting lineverifiedMay 18, 2026
Flying VisitnounMWEa visit that last for only a very short timeverifiedMay 18, 2026
foam at the mouthverbMWEbe in a state of uncontrolled angercandidateJun 3, 2026
Foam RubbernounMWEspongy rubberverifiedMay 18, 2026
fob offverbMWEsell as genuine, sell with the intention to deceiveverifiedJun 3, 2026
Focal DistancenounMWEthe distance from a lens to its focusverifiedMay 18, 2026
Focal EpilepsynounMWEepilepsy in which the attacks begins with an isolated disturbance of cerebral function (as a twitching of a limb or an illusory sensation or a mental disturbance)verifiedMay 18, 2026
Focal InfectionnounMWEbacterial infection limited to a specific organ or region especially one causing symptoms elsewhereverifiedMay 18, 2026
Focal LengthnounMWEthe distance from a lens to its focusverifiedMay 18, 2026
Focal PointnounMWEa point of convergence of light (or other radiation) or a point from which it divergesverifiedMay 18, 2026
Focal RationounMWEthe ratio of the focal length to the diameter of a (camera) lens systemverifiedMay 18, 2026
Focal SeizurenounMWEtransitory disturbance in motor or sensory function resulting from abnormal cortical activityverifiedMay 18, 2026
focus onverbMWEcenter uponverifiedJun 3, 2026