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Glossary · Nouns · F

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TermTypeDefinitionClassificationsUpdated
Fuel GaugenounMWEan indicator of the amount of fuel remaining in a vehicleverifiedMay 18, 2026
Fuel IndicatornounMWEan indicator of the amount of fuel remaining in a vehicleverifiedMay 18, 2026
Fuel InjectionnounMWEmechanical system to inject atomized fuel directly into the cylinders of an internal-combustion engineverifiedMay 18, 2026
Fuel Injection SystemnounMWEmechanical system to inject atomized fuel directly into the cylinders of an internal-combustion engineverifiedMay 18, 2026
Fuel LevelnounMWEthe amount of fuel remainingverifiedMay 18, 2026
Fuel LinenounMWEa pipe that carries gasoline from a tank to a gasoline engineverifiedMay 18, 2026
Fuel OilnounMWEa petroleum product used for fuelverifiedMay 18, 2026
Fuel PodnounMWEa detachable container of fuel on an airplaneverifiedMay 18, 2026
Fuel SystemnounMWEequipment in a motor vehicle or aircraft that delivers fuel to the engineverifiedMay 18, 2026
Fuel-Air BombnounMWEa bomb that uses a fuel-air explosiveverifiedMay 18, 2026
Fuel-Air ExplosivenounMWEa device consisting of a container of fuel and two explosive chargesverifiedMay 18, 2026
Fuelingnounthe activity of supplying or taking on fuelverifiedMay 18, 2026
Fugnoun(British informal) an airless smoky smelly atmosphereverifiedMay 18, 2026
Fugaciousnessnounthe lack of enduring qualities (used chiefly of plant parts)verifiedMay 18, 2026
Fugacitynounthe lack of enduring qualities (used chiefly of plant parts)verifiedMay 18, 2026
Fugitive From JusticenounMWEsomeone who is sought by law officersverifiedMay 18, 2026
Fuglemannouna leader and organizer and spokesman (especially a political leader)verifiedMay 18, 2026
Fugunouna blowfish highly prized as a delicacy in Japan but highly dangerous because the skin and organs are poisonousverifiedMay 18, 2026
Fuguenoundissociative disorder in which a person forgets who they are and leaves home to creates a new lifeverifiedMay 18, 2026
Fujinounshrubby Japanese cherry tree having pale pink blossomsverifiedMay 18, 2026
Fuji CherrynounMWEshrubby Japanese cherry tree having pale pink blossomsverifiedMay 18, 2026
Fulcrumnounthe pivot about which a lever turnsverifiedMay 18, 2026
fulfillnounSatisfy or meet a requirement or condition.ProcessMay 12, 2026
Fulfillmentnounthe act of consummating something (a desire or promise etc)verifiedMay 18, 2026
Fulfilmentnounthe act of consummating something (a desire or promise etc)verifiedMay 18, 2026
Full AdmiralnounMWEthe supreme commander of a fleetverifiedMay 18, 2026
Full BloodnounMWEdescent from parents both of one pure breedverifiedMay 18, 2026
Full ComplementnounMWEnumber needed to make up a whole forceverifiedMay 18, 2026
Full CousinnounMWEthe child of your aunt or uncleverifiedMay 18, 2026
Full Disk EncryptionnounMWEThe process of encrypting all the data on the hard disk drive used to boot a computer, including the computer’s operating system, and permitting access to the data only after successful authentication with the full disk encryption product.ControlRegulatedMay 12, 2026
Full DressnounMWEformalwear consisting of full evening dress for menverifiedMay 18, 2026
Full DuplexnounMWEA communications channel that carries data in both directions.NetworkMay 12, 2026
Full EmploymentnounMWEthe economic condition when everyone who wishes to work at the going wage rate for their type of labor is employedverifiedMay 18, 2026
Full Faith and CreditnounMWEa guarantee to pay interest and principal on debtverifiedMay 18, 2026
Full GainernounMWEa dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving boardverifiedMay 18, 2026
Full GeneralnounMWEa general officer of the highest rankverifiedMay 18, 2026
Full HousenounMWEa poker hand with 3 of a kind and a pairverifiedMay 18, 2026
Full MaintenancenounMWEComplete diagnostic repair, modification, and overhaul of COMSEC equipment, including repair of defective assemblies by piece part replacement. See Limited Maintenance.ProcessRestrictedCUIMay 9, 2026
Full Metal JacketnounMWEa lead bullet that is covered with a jacket of a harder metal (usually copper)verifiedMay 18, 2026
Full MoonnounMWEthe time when the Moon is fully illuminatedverifiedMay 18, 2026
Full Moon MaplenounMWEleaves deeply incised and bright red in autumnverifiedMay 18, 2026
Full NelsonnounMWEa wrestling hold in which the holder puts both arms under the opponent's arms and exerts pressure on the back of the neck (illegal in amateur wrestling)verifiedMay 18, 2026
Full PagenounMWEsomething that covers an entire pageverifiedMay 18, 2026
Full Phase of the MoonnounMWEthe time when the Moon is fully illuminatedverifiedMay 18, 2026
Full PointnounMWEa punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviationsverifiedMay 18, 2026
Full ProfessornounMWEa professor of the highest rankverifiedMay 18, 2026
Full RadiatornounMWEa hypothetical object capable of absorbing all the electromagnetic radiation falling on itverifiedMay 18, 2026
Full Service BanknounMWEa financial institution that accepts demand deposits and makes loans and provides other services for the publicverifiedMay 18, 2026
Full SkirtnounMWEa long skirt gathered at the waistverifiedMay 18, 2026
Full StopnounMWEa punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviationsverifiedMay 18, 2026
Full TermnounMWEthe end of gestation or point at which birth is imminentverifiedMay 18, 2026
Full TreatmentnounMWEeverything availableverifiedMay 18, 2026
Full-Dress UniformnounMWEthe naval or military uniform that is specified by regulations to be worn on ceremonial occasionsverifiedMay 18, 2026
Full-interruption/full-scale test (IT and Staff)nounMWEA business continuity test that activates all the components of the disaster recovery plan at the same time. Hardware, software, staff, communications, utilities, and alternate site processing should be thoroughly tested in this type of testing activity. The exercise should include the business line end users and the IT group to ensure that each business line tests its key applications and is prepared to recover and resume its business operations in the event of an emergency. The full test verifies that systems and staff can recover and resume business within established recovery time objectives. End users should verify the integrity of the data at the alternate site after the IT group has restored systems and applications needed for the staff to perform production activities.ProcessRegulatedMay 9, 2026
Full-Of-The-Moonnounthe time when the Moon is fully illuminatedverifiedMay 18, 2026
Full-Wave RectifiernounMWErectifier that converts the negative half wave of an alternating current into a positive half waveverifiedMay 18, 2026
Fullernouna workman who fulls (cleans and thickens) freshly woven cloth for a livingverifiedMay 18, 2026
Fuller's EarthnounMWEan absorbent soil resembling clayverifiedMay 18, 2026
Fuller's TeaselnounMWEsimilar to the common teasel and similarly usedverifiedMay 18, 2026
Fullerenenouna form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atomsverifiedMay 18, 2026
Fullnessnounthe property of a sensation that is rich and pleasingverifiedMay 18, 2026
Fully AutonomousnounMWEAccomplishes its assigned mission, within a defined scope, without human intervention while adapting to operational and environmental conditionsCapabilityMay 18, 2026
Fully-Qualified Domain NamenounMWEA Fully-Qualified Domain Name is a server name with a hostname followed by the full domain name.NetworkMay 9, 2026
Fulmarnounheavy short-tailed oceanic bird of polar regionsverifiedMay 18, 2026
Fulmar PetrelnounMWEheavy short-tailed oceanic bird of polar regionsverifiedMay 18, 2026
Fulminate of MercurynounMWEa fulminate that when dry explodes violently if struck or heatedverifiedMay 18, 2026
Fulminating MercurynounMWEa fulminate that when dry explodes violently if struck or heatedverifiedMay 18, 2026
Fulminationnounthe act of exploding with noise and violenceverifiedMay 18, 2026
Fulminic AcidnounMWE(CNOH) an unstable acid occurring mainly in the form of explosive salts and esters that is isomeric with cyanic acidverifiedMay 18, 2026
Fulsomenessnounexcessive but superficial compliments given with affected charmverifiedMay 18, 2026
Fulvic AcidnounMWEa yellow to yellow-brown humic substance that is soluble in water under all pH conditionsverifiedMay 18, 2026
Fumaric AcidnounMWEa colorless crystalline acid with a fruity tasteverifiedMay 18, 2026
Fumblernounsomeone who makes mistakes because of incompetenceverifiedMay 18, 2026
Fumed OaknounMWEoak given a weathered appearance by exposure to fumes of ammoniaverifiedMay 18, 2026
Fumerootnoundelicate European herb with greyish leaves and spikes of purplish flowersverifiedMay 18, 2026
Fumewortnoundelicate European herb with greyish leaves and spikes of purplish flowersverifiedMay 18, 2026
Fumigantnouna chemical substance used in fumigationverifiedMay 18, 2026
Fumigationnounthe application of a gas or smoke to something for the purpose of disinfecting itverifiedMay 18, 2026
Fumigatornouna device that generates a gas for the purpose of disinfecting or eradicating pestsverifiedMay 18, 2026
Fumitorynoundelicate European herb with greyish leaves and spikes of purplish flowersverifiedMay 18, 2026
Fumitory FamilynounMWEerect or climbing herbs of the northern hemisphere and southern Africa: bleeding heartverifiedMay 18, 2026
Funnounverbal wit or mockery, often at another's expense but not to be taken seriouslyverifiedMay 18, 2026
Funambulismnounwalking on a tightrope or slack ropeverifiedMay 18, 2026
Funambulistnounan acrobat who performs on a tightrope or slack ropeverifiedMay 18, 2026
Function CallnounMWEa call that passes control to a subroutineverifiedMay 18, 2026
Function WordnounMWEa word that is uninflected and serves a grammatical function but has little identifiable meaningverifiedMay 18, 2026
Functional AnatomynounMWEthe study of anatomy in its relation to functionverifiedMay 18, 2026
Functional CalculusnounMWEa system of symbolic logic that represents individuals and predicates and quantification over individuals (as well as the relations between propositions)verifiedMay 18, 2026
Functional DisordernounMWEdisorder showing symptoms for which no physiological or anatomical cause can be identifiedverifiedMay 18, 2026
Functional drill/parallel testnounMWEThis test involves the actual mobilization of personnel at other sites in an attempt to establish communications and coordination as set forth in the BCP.ProcessInternalMay 12, 2026
Functional GenomicsnounMWEthe branch of genomics that determines the biological function of the genes and their productsverifiedMay 18, 2026
Functional IlliteratenounMWEa person with some ability to read and write but not enough for daily practical needsverifiedMay 18, 2026
Functional Magnetic Resonance ImagingnounMWEa form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brainverifiedMay 18, 2026
Functional requirementsnounMWEThe business, operational, and security features an organization wants included in a program.RequirementMay 12, 2026
Functional TestingnounMWESegment of security testing in which advertised security mechanisms of an information system are tested under operational conditions.ProcessMay 9, 2026
Functionalismnouna psychology based on the assumption that all mental process are useful to an organism in adapting to the environmentverifiedMay 18, 2026
Functionalistnounan adherent of functionalismverifiedMay 18, 2026
Functionalitynouncapable of serving a purpose wellverifiedMay 18, 2026
Functionality testingnounMWEA test designed to validate that a business process or activity accomplishes expected results.ProcessMay 9, 2026
Functionarynouna worker who holds or is invested with an officeverifiedMay 18, 2026