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Glossary · MWE Terms · F

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TermTypeDefinitionClassificationsUpdated
Flak CatchernounMWEa slick spokesperson who can turn any criticism to the advantage of their employerverifiedMay 18, 2026
flake offverbMWEcome off in flakes or thin small piecescandidateJun 3, 2026
flake outverbMWEchange from a waking to a sleeping statecandidateJun 3, 2026
Flamboyant TreenounMWEtropical shrub or small tree having showy yellow to orange-red flowersverifiedMay 18, 2026
Flame BushnounMWEAustralian shrub having simple obovate leaves and brilliant scarlet flowersverifiedMay 18, 2026
Flame CellnounMWEorgan of excretion in flatwormsverifiedMay 18, 2026
Flame DurrajongnounMWEsouth Australian tree having panicles of brilliant scarlet flowersverifiedMay 18, 2026
Flame FishnounMWEa cardinalfish found in tropical Atlantic coastal watersverifiedMay 18, 2026
Flame FlowernounMWEplant with fleshy roots and erect stems with narrow succulent leaves and one reddish-orange flower in each upper leaf axilverifiedMay 18, 2026
Flame NettlenounMWEany of various Old World tropical plants of the genus Coleus having multicolored decorative leaves and spikes of blue flowersverifiedMay 18, 2026
Flame PeanounMWEany of several small shrubs or twining vines having entire or lobed leaves and racemes of yellow to orange-red flowersverifiedMay 18, 2026
Flame StitchnounMWEneedlepoint embroidery stitch that produces zigzag linesverifiedMay 18, 2026
Flame TokaynounMWEpurplish-red table grapeverifiedMay 18, 2026
Flame TreenounMWEa terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowersverifiedMay 18, 2026
flame upverbMWEburn brightlycandidateJun 3, 2026
Flaming PoppynounMWECalifornia wild poppy with bright red flowersverifiedMay 18, 2026
Flamingo FlowernounMWEcommonly cultivated anthurium having bright scarlet spathe and spadixverifiedMay 18, 2026
Flamingo PlantnounMWEcommonly cultivated anthurium having bright scarlet spathe and spadixverifiedMay 18, 2026
Flank SteaknounMWEa cut of beef from the flank of the animalverifiedMay 18, 2026
Flanker BacknounMWEa back stationed wide of the scrimmage lineverifiedMay 18, 2026
Flannel CakenounMWEa flat cake of thin batter fried on both sides on a griddleverifiedMay 18, 2026
Flannel LeafnounMWEany of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowersverifiedMay 18, 2026
Flannel MulleinnounMWEtall-stalked very woolly mullein with densely packed yellow flowersverifiedMay 18, 2026
flap downverbMWEthrow violentlyverifiedJun 3, 2026
flare outverbMWEbecome flared and widen, usually at one endverifiedJun 3, 2026
Flare PassnounMWEa short forward pass to a back who is running toward the sidelinesverifiedMay 18, 2026
Flare PathnounMWEan airstrip outline with lights to guide an airplane pilot in landingverifiedMay 18, 2026
Flare StarnounMWEa red dwarf star in which luminosity can change several magnitudes in a few minutesverifiedMay 18, 2026
flare upverbMWEerupt or intensify suddenlycandidateJun 3, 2026
flash backverbMWEreturn in timeverifiedJun 3, 2026
Flash Butt WeldingnounMWEbutt welding by creating an electric arc between the two pieces which melts and joins themverifiedMay 18, 2026
Flash CameranounMWEa camera with a photoflash attachmentverifiedMay 18, 2026
Flash CardnounMWEa card with words or numbers or pictures that is flashed to a class by the teacherverifiedMay 18, 2026
flash drivenounMWEcandidateOct 22, 2026
Flash FloodnounMWEa sudden local flood of great volume and short durationverifiedMay 18, 2026
Flash in the PannounMWEsomeone who enjoys transient success but then failsverifiedMay 18, 2026
Flash LampnounMWEa lamp for providing momentary light to take a photographverifiedMay 18, 2026
Flash MemorynounMWEnonvolatile storage that can be electrically erased and programmed anewverifiedMay 18, 2026
flash memory cardnounMWEcandidateOct 22, 2026
Flash PointnounMWEthe lowest temperature at which the vapor of a combustible liquid can be ignited in airverifiedMay 18, 2026
Flash WeldingnounMWEbutt welding by creating an electric arc between the two pieces which melts and joins themverifiedMay 18, 2026
Flashlight BatterynounMWEa small dry battery containing dry cellsverifiedMay 18, 2026
Flashlight FishnounMWEfish of deep dark waters having a light organ below each eyeverifiedMay 18, 2026
Flat ArchnounMWEan arch with mutually supporting voussoirs that has a straight horizontal extrados and intradosverifiedMay 18, 2026
Flat BenchnounMWEa bench on which a weightlifter lies to do exercisesverifiedMay 18, 2026
Flat BonenounMWEpart of the sirloin next to the wedge boneverifiedMay 18, 2026
Flat CapnounMWEa flat woolen cap with a stiff peakverifiedMay 18, 2026
Flat CoatnounMWEthe first or preliminary coat of paint or size applied to a surfaceverifiedMay 18, 2026
Flat FilenounMWEa file with two flat surfacesverifiedMay 18, 2026
Flat KnotnounMWEa square knot used in a reef lineverifiedMay 18, 2026
Flat OutadverbMWEin a blunt direct mannercandidateMay 18, 2026
Flat Panel DisplaynounMWEa type of video display that is thin and flatverifiedMay 18, 2026
Flat PeanounMWEevergreen shrub having almost heart-shaped foliage and bright yellow pea-like flowers followed by flat pods with flat wingsverifiedMay 18, 2026
Flat SolidnounMWEa flat artifact that is thin relative to its length and widthverifiedMay 18, 2026
Flat Tip ScrewdrivernounMWEa screwdriver with a flat wedge-shaped tip that fits into a slot in the head of a screwverifiedMay 18, 2026
Flat TirenounMWEa deflated pneumatic tireverifiedMay 18, 2026
Flat WashnounMWEironing that can be done mechanicallyverifiedMay 18, 2026
Flat-Coated RetrievernounMWEan English breed having a shiny black or liver-colored coatverifiedMay 18, 2026
Flat-Leaf ParsleynounMWEa variety of parsley having flat leavesverifiedMay 18, 2026
Flat-Topped White AsternounMWEa variety of asterverifiedMay 18, 2026
Flatbed PressnounMWEa printing press where the type is carried on a flat bed under a cylinder that holds paper and rolls over the typeverifiedMay 18, 2026
Flathead CatfishnounMWElarge catfish of central United States having a flattened head and projecting jawverifiedMay 18, 2026
flatten outverbMWEbecome flat or flatterverifiedJun 3, 2026
Flaw Hypothesis MethodologynounMWESystem analysis and penetration technique in which the specification and documentation for an information system are analyzed to produce a list of hypothetical flaws. This list is prioritized on the basis of the estimated probability that a flaw exists, on the ease of exploiting it, and on the extent of control or compromise it would provide. The prioritized list is used to perform penetration testing of a system.verifiedMay 9, 2026
flaw remediationnounMWEcandidateOct 21, 2026
Flax FamilynounMWEa widely distributed family of plantsverifiedMay 18, 2026
Flax RustnounMWEfungus causing flax rustverifiedMay 18, 2026
Flax Rust FungusnounMWEfungus causing flax rustverifiedMay 18, 2026
Flaxseed OilnounMWEa drying oil extracted from flax seed and used in making such things as oil paintsverifiedMay 18, 2026
Flea BeetlenounMWEany small leaf beetle having enlarged hind legs and capable of jumpingverifiedMay 18, 2026
Flea BitenounMWEa very minor inconvenienceverifiedMay 18, 2026
Flea MarketnounMWEan open-air street market for inexpensive or secondhand articlesverifiedMay 18, 2026
Fleet AdmiralnounMWEan admiral of the highest rankverifiedMay 18, 2026
Fleet Ballistic Missile SubmarinenounMWEa submarine carrying ballistic missilesverifiedMay 18, 2026
Flesh FlynounMWEfly whose larvae feed on carrion or the flesh of living animalsverifiedMay 18, 2026
flesh outverbMWEadd details, as to an account or ideaverifiedJun 3, 2026
Flesh WoundnounMWEa wound that does not damage important internal organs or shatter any bonesverifiedMay 18, 2026
Fleshed OutadjectiveMWEgiven substance or detailcandidateMay 18, 2026
Flexible JointnounMWEa joint that holds two parts together so that one can swing relative to the otherverifiedMay 18, 2026
Flexible SigmoidoscopenounMWEan endoscope (a flexible fiberoptic probe) for examining the sigmoid colonverifiedMay 18, 2026
Flexible SigmoidoscopynounMWEvisual examination (with a sigmoidoscope) of the lower third of the colon in a search for polypsverifiedMay 18, 2026
Flexor MusclenounMWEa skeletal muscle whose contraction bends a jointverifiedMay 18, 2026
Flight AttendantnounMWEan attendant on an airplaneverifiedMay 18, 2026
Flight ControlnounMWEcontrol from ground stations of airplanes in flight by means of messages transmitted to the pilot electronicallyverifiedMay 18, 2026
Flight DecknounMWEthe upper deck of an aircraft carrierverifiedMay 18, 2026
Flight EngineernounMWEthe flight crewman who used to be responsible for mechanical operation while in flight. This is now typically handled by the airplane's computer.verifiedMay 18, 2026
Flight FeathernounMWEany of the larger wing or tail feathers of a birdverifiedMay 18, 2026
Flight IndicatornounMWEa navigational instrument based on a gyroscopeverifiedMay 18, 2026
Flight LinenounMWEplace where airplanes are parked and the maintenance hangars (but not the runways or taxiways)verifiedMay 18, 2026
Flight ManeuvernounMWEa maneuver executed by an aircraftverifiedMay 18, 2026
Flight of StairsnounMWEa stairway (set of steps) between one floor or landing and the nextverifiedMay 18, 2026
Flight of StepsnounMWEa stairway (set of steps) between one floor or landing and the nextverifiedMay 18, 2026
Flight PathnounMWEa designated route followed by airplanes in flying from one airport to anotherverifiedMay 18, 2026
Flight SimulatornounMWEsimulator consisting of a machine on the ground that simulates the conditions of flying a planeverifiedMay 18, 2026
Flight StripnounMWEan airfield without normal airport facilitiesverifiedMay 18, 2026
Flight SurgeonnounMWEa medical officer specializing in aviation medicineverifiedMay 18, 2026
Flightless BirdnounMWEflightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostrichesverifiedMay 18, 2026
fling offverbMWEwrite quicklyverifiedJun 3, 2026
Flint CornnounMWEcorn having kernels with a hard outer layer enclosing the soft endospermverifiedMay 18, 2026
Flint GlassnounMWEoptical glass of high dispersion and high refractive indexverifiedMay 18, 2026