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Glossary · Nouns · F

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TermTypeDefinitionClassificationsUpdated
Fieldstonenounstone that occurs naturally in fieldsverifiedMay 18, 2026
Fieldworkernouna researcher who works in the fieldverifiedMay 18, 2026
Fiendnouna person motivated by irrational enthusiasm (as for a cause)verifiedMay 18, 2026
Fiercenessnounthe property of being wild or turbulentverifiedMay 18, 2026
Fieri FaciasnounMWEa writ ordering a levy on the belongings of a debtor to satisfy the debtverifiedMay 18, 2026
Fierinessnouna passionate and quick-tempered natureverifiedMay 18, 2026
Fiestanounan elaborate party (often outdoors)verifiedMay 18, 2026
Fiesta FlowernounMWEstraggling California annual herb with deep purple or violet flowersverifiedMay 18, 2026
Fifenouna small high-pitched flute similar to a piccoloverifiedMay 18, 2026
Fife RailnounMWEthe railing surrounding the mast of a sailing vesselverifiedMay 18, 2026
Fifonouninventory accounting in which the oldest items (those first acquired) are assumed to be the first soldverifiedMay 18, 2026
Fifth ColumnnounMWEa subversive group that supports the enemy and engages in espionage or sabotageverifiedMay 18, 2026
Fifth ColumnistnounMWEa member of a clandestine subversive organization who tries to help a potential invaderverifiedMay 18, 2026
Fifth Cranial NervenounMWEthe main sensory nerve of the face and motor nerve for the muscles of masticationverifiedMay 18, 2026
Fifth PartnounMWEone part in five equal partsverifiedMay 18, 2026
Fifth WheelnounMWEa steering bearing that enables the front axle of a horse-drawn wagon to rotateverifiedMay 18, 2026
Fifty Dollar BillnounMWEa United States bill worth 50 dollarsverifiedMay 18, 2026
Fifty PercentnounMWEa half expressed as a percentageverifiedMay 18, 2026
Fifty-Cent PiecenounMWEa United States coin worth half of a dollarverifiedMay 18, 2026
Fignounfleshy sweet pear-shaped yellowish or purple multiple fruit eaten fresh or preserved or driedverifiedMay 18, 2026
Fig LeafnounMWEa covering consisting of anything intended to conceal something regarded as shamefulverifiedMay 18, 2026
Fig MarigoldnounMWEany of several South African plants of the genus Mesembryanthemum cultivated for showy pink or white flowersverifiedMay 18, 2026
Fig MothnounMWEa moth whose larvae feed on and mat together with webbing various stored products of vegetable originverifiedMay 18, 2026
Fig TreenounMWEany moraceous tree of the tropical genus FicusverifiedMay 18, 2026
Fig WaxnounMWEa hard cream-colored wax obtained from a Javanese fig treeverifiedMay 18, 2026
Fig-Birdnoungreenish-yellow Australian oriole feeding chiefly on figs and other fruitsverifiedMay 18, 2026
Figeaternounlarge greenish June beetle of southern United StatesverifiedMay 18, 2026
Fighternouna high-speed military or naval airplane designed to destroy enemy aircraft in the airverifiedMay 18, 2026
Fighter AircraftnounMWEa high-speed military or naval airplane designed to destroy enemy aircraft in the airverifiedMay 18, 2026
Fighter PilotnounMWEa military or naval pilot of fighter planesverifiedMay 18, 2026
Fighting ChairnounMWEa fixed chair from which a saltwater angler can fight a hooked fishverifiedMay 18, 2026
Fighting CocknounMWEa cock bred and trained for fightingverifiedMay 18, 2026
Figmentnouna contrived or fantastic ideaverifiedMay 18, 2026
Figural BlindnessnounMWEinability to see shapes and contoursverifiedMay 18, 2026
Figurationnounrepresenting figuratively as by emblem or allegoryverifiedMay 18, 2026
Figure EightnounMWEa skating figure that carves an 8 in the iceverifiedMay 18, 2026
Figure LoomnounMWEa loom for weaving figured fabricsverifiedMay 18, 2026
Figure of EightnounMWEa knot having the shape of the numeral 8verifiedMay 18, 2026
Figure of MeritnounMWEa numerical expression representing the efficiency of a given system, material, or procedureverifiedMay 18, 2026
Figure of SpeechnounMWElanguage used in a figurative or nonliteral senseverifiedMay 18, 2026
Figure SkatenounMWEan ice skate worn for figure skatingverifiedMay 18, 2026
Figure SkatingnounMWEice skating where the skates trace outlines of selected figuresverifiedMay 18, 2026
Figured BassnounMWEa bass part written out in full and accompanied by numbers to indicate the chords to be playedverifiedMay 18, 2026
Figured-Fabric LoomnounMWEa loom for weaving figured fabricsverifiedMay 18, 2026
Figureheadnouna person used as a cover for some questionable activityverifiedMay 18, 2026
Figurernounan expert at calculation (or at operating calculating machines)verifiedMay 18, 2026
Figurinenouna small carved or molded figureverifiedMay 18, 2026
Figuringnounproblem solving that involves numbers or quantitiesverifiedMay 18, 2026
Figwortnounany of numerous tall coarse woodland plants of the genus ScrophulariaverifiedMay 18, 2026
Figwort FamilynounMWEa family of dicotyledonous plants of the order PolemonialesverifiedMay 18, 2026
Filaggrinnounthe main protein of the keratohyalin granulesverifiedMay 18, 2026
Filamentnouna thin wire (usually tungsten) that is heated white hot by the passage of an electric currentverifiedMay 18, 2026
FilareenounEuropean weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight upverifiedMay 18, 2026
FilarianounEuropean weed naturalized in southwestern United States and Mexico having reddish decumbent stems with small fernlike leaves and small deep reddish-lavender flowers followed by slender fruits that stick straight upverifiedMay 18, 2026
Filariasisnouna disease caused by nematodes in the blood or tissues of the body causing blockage of lymphatic vesselsverifiedMay 18, 2026
Filaturenouna bobbin used in spinning silk into threadverifiedMay 18, 2026
Filbertnounnut of any of several trees of the genus CorylusverifiedMay 18, 2026
filenounCollections of data or information under unique identifying names kept in a computers memory or a storage device.DataMay 12, 2026
File Allocation TablenounMWEthe part of a floppy disk or hard disk where information is stored about the location of each piece of information on the disk (and about the location of unusable areas of the disk)verifiedMay 18, 2026
File CabinetnounMWEoffice furniture consisting of a container for keeping papers in orderverifiedMay 18, 2026
File ClerknounMWEa clerk who is employed to maintain the files of an organizationverifiedMay 18, 2026
File EncryptionnounMWEThe process of encrypting individual files on a storage medium and permitting access to the encrypted data only after proper authentication is provided.ControlMay 9, 2026
File FoldernounMWEfolder that holds papers together in a filing cabinetverifiedMay 18, 2026
File NamenounMWE(computer science) the name given to a computer file in order to distinguish it from other filesverifiedMay 18, 2026
File Name AnomalynounMWE1. A mismatch between the internal file header and its external extension; or 2. A file name inconsistent with the content of the file (e.g., renaming a graphics file with a non-graphical extension.EventMay 9, 2026
File ProtectionnounMWEAggregate of processes and procedures designed to inhibit unauthorized access, contamination, elimination, modification, or destruction of a file or any of its contents.ControlMay 9, 2026
File SecuritynounMWEMeans by which access to computer files is limited to authorized users only.ControlMay 9, 2026
File ServernounMWE(computer science) a digital computer that provides workstations on a network with controlled access to shared resourcesverifiedMay 18, 2026
File SystemnounMWEa system of classifying into files (usually arranged alphabetically)verifiedMay 18, 2026
File Transfer ProtocolnounMWEA protocol used to transfer files over a Transmission Control Protocol/Internet Protocol (TCP/IP) network (Internet, UNIX, etc.)NetworkMay 9, 2026
File transfer protocol (FTP)nounMWEA standard high-level protocol for transferring files from one computer to another, usually implemented as an application level program.NetworkMay 9, 2026
Filefishnounnarrow flattened warm-water fishes with leathery skin and a long file-like dorsal spineverifiedMay 18, 2026
Filename ExtensionnounMWEa string of characters beginning with a period and followed by one or more lettersverifiedMay 18, 2026
Filernouna clerk who is employed to maintain the files of an organizationverifiedMay 18, 2026
Filet De Boeuf En CroutenounMWErare-roasted beef tenderloin coated with mushroom paste in puff pastryverifiedMay 18, 2026
Filet MignonnounMWEsmall steak cut from the thick end of a beef tenderloinverifiedMay 18, 2026
Filial DutynounMWEduty of a child to its parentsverifiedMay 18, 2026
Filial LovenounMWEthe love of a child for a parentverifiedMay 18, 2026
Filiationnounthe kinship relation between an individual and the individual's progenitorsverifiedMay 18, 2026
Filibusterernouna legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposesverifiedMay 18, 2026
Filicidenouna parent who murders his own son or daughterverifiedMay 18, 2026
Filingnounpreservation and methodical arrangement as of documents and papers etc.verifiedMay 18, 2026
Filing CabinetnounMWEoffice furniture consisting of a container for keeping papers in orderverifiedMay 18, 2026
Filing ClerknounMWEa clerk who is employed to maintain the files of an organizationverifiedMay 18, 2026
Filing SystemnounMWEa system of classifying into files (usually arranged alphabetically)verifiedMay 18, 2026
Fill DevicenounMWECOMSEC item used to transfer or store key in electronic form or to insert key into cryptographic equipment.PhysicalRegulatedCUIMay 9, 2026
Fill-Innounsomeone who takes the place of another (as when things get dangerous or difficult)verifiedMay 18, 2026
Fillenouna young womanverifiedMay 18, 2026
Fille De ChambrenounMWEa maid who is employed to clean and care for bedrooms (now primarily in hotels)verifiedMay 18, 2026
Fillernouncopy to fill space between more important articles in the layout of a magazine or newspaperverifiedMay 18, 2026
Fillet of SolenounMWElean flesh of any of several flatfishverifiedMay 18, 2026
Fillingnouna dental appliance consisting of any of various substances, such as metal or plastic, inserted into a prepared cavity in a toothverifiedMay 18, 2026
Filling StationnounMWEa service station that sells gasolineverifiedMay 18, 2026
Fillipnounanything that tends to arouseverifiedMay 18, 2026
Fillynouna young female horse under the age of fourverifiedMay 18, 2026
Film AdvancenounMWEa mechanism for advancing film in a camera or projectorverifiedMay 18, 2026
Film ClipnounMWEa strip of motion picture film used in a telecastverifiedMay 18, 2026
Film CompanynounMWEa company that makes, advertises, and distributes moviesverifiedMay 18, 2026
Film DirectornounMWEthe person who directs the making of a filmverifiedMay 18, 2026
Film EditingnounMWEthe activity of selecting the scenes to be shown and putting them together to create a filmverifiedMay 18, 2026