Glossary · Nouns · F
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TermTypeDefinitionClassificationsUpdated
Flavinnouna ketone that forms the nucleus of certain natural yellow pigments like riboflavinverified
Flavonenouna colorless crystalline compound that is part of a number of white or yellow plant pigmentsverified
Flavonoidnounany of a large class of plant pigments having a chemical structure based on or similar to flavoneverified
FlawnounError of commission, omission, or oversight in an information system that may allow protection mechanisms to be bypassed.Vulnerability
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.Process
Flaxnounplant of the genus Linum that is cultivated for its seeds and for the fibers of its stemverified
Flaxseed OilnounMWEa drying oil extracted from flax seed and used in making such things as oil paintsverified
Fleabanenounhairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleasverified
Fleawortnounplantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxativeverified
Flecainidenounoral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmiasverified
Flesh WoundnounMWEa wound that does not damage important internal organs or shatter any bonesverified
Fleur-De-Lisnounplants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepalsverified
Fleur-De-LysnounIn heraldry, a charge consisting of a conventionalized representation of an irisverified
Flexible JointnounMWEa joint that holds two parts together so that one can swing relative to the otherverified
Flexible SigmoidoscopenounMWEan endoscope (a flexible fiberoptic probe) for examining the sigmoid colonverified
Flexible SigmoidoscopynounMWEvisual examination (with a sigmoidoscope) of the lower third of the colon in a search for polypsverified
Flibbertigibbetnouna frivolous, chattering or gossiping person; ususally referring to a womanverified
Fliernounan advertisement (usually printed on a page or in a leaflet) intended for wide distributionverified
Flight ControlnounMWEcontrol from ground stations of airplanes in flight by means of messages transmitted to the pilot electronicallyverified
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.verified
Flight LinenounMWEplace where airplanes are parked and the maintenance hangars (but not the runways or taxiways)verified
Flight PathnounMWEa designated route followed by airplanes in flying from one airport to anotherverified
Flight SimulatornounMWEsimulator consisting of a machine on the ground that simulates the conditions of flying a planeverified
Flightinessnounthe trait of acting unpredictably and more from whim or caprice than from reason or judgmentverified
Flightless BirdnounMWEflightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostrichesverified
Flintheadnounan American stork that resembles the true ibises in having a downward-curved billverified
Flip-Flopnouna backless sandal held to the foot by a thong between the big toe and the second toeverified
Flittering ScotomanounMWEa localized area of diminished vision edged by shimmering colored lightsverified
FloatnounFunds held by an institution during the check-clearing process before being made available to a depositor. Interest may be earned on these funds.Data
Floatationnounthe phenomenon of floating (remaining on the surface of a liquid without sinking)verified
Floaternouna debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)verified