Glossary · MWE Terms · F
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TermTypeDefinitionClassificationsUpdated
Flittering ScotomanounMWEa localized area of diminished vision edged by shimmering colored lightsverified
Floating FernnounMWEsmall free-floating aquatic fern from the eastern United States to tropical Americaverified
Floating PolicynounMWEan insurance policy covering loss of movable property (e.g. jewelry) regardless of its locationverified
Floating VoternounMWEa voter who has no allegiance to any political party and whose unpredictable decisions can swing the outcome of an election one way or the otherverified
Floating-Point NotationnounMWEa radix numeration system in which the location of the decimal point is indicated by an exponent of the radixverified
Floating-Point Representation SystemnounMWEa radix numeration system in which the location of the decimal point is indicated by an exponent of the radixverified
Floccose ChanterellenounMWEa mildly poisonous fungus with a fruiting body shaped like a hollow trumpetverified
Flood ControlnounMWE(engineering) the art or technique of trying to control rivers with dams etc in order to minimize the occurrence of floodsverified
Flood TidenounMWEthe occurrence of incoming water (between a low tide and the following high tide)verified
Floor WaxnounMWEa preparation containing wax and used to polish and preserve the finish of floorsverified
Floppy DisknounMWEa small plastic magnetic disk enclosed in a stiff envelope with a radial slitverified
Floral CupnounMWEthe cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae)verified
Floral EnvelopenounMWEcollective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistilsverified
Florest's CinerarianounMWEherb derived from Pericallis cruenta and widely cultivated in a variety of profusely flowering forms with florets from white to pink to red or purple or violet or blueverified
Florist's GloxinianounMWESouth American herb cultivated in many varieties as a houseplant for its large handsome leaves and large variously colored bell-shaped flowersverified
Florist's WillownounMWEmuch-branched Old World willow having large catkins and relatively large broad leavesverified
Flotation DevicenounMWErescue equipment consisting of a buoyant belt or jacket to keep a person from drowningverified
flow controlnounMWEA security control mechanism — specifically a set of policies and their enforcement — that governs *where* information is permitted to travel within a system or between interconnected systems, as distinct from *who* is permitted to access it. It "regulates where information can travel within a system and between systems (in contrast to who is allowed to access the information) and without regard to subsequent accesses to that information." Organizations employ flow control policies and enforcement mechanisms to control information movement between designated sources and destinations; enforcement is based on characteristics of the information and/or the information path, and is implemented in boundary protection devices — such as firewalls, gateways, and routers — using rule sets, packet-filtering on header information, or message-filtering on content. In practice it covers a wide range of restrictions: blocking external traffic that claims internal origin, preventing export-controlled data from being transmitted in the clear, restricting web requests to those from an authorized proxy, and limiting inter-organizational transfers based on data structures and content.verified
flow control restrictionnounMWEThe specific policy-derived constraints — such as blocking spoofed traffic, preventing unencrypted transmission of export-controlled data, or limiting cross-organizational data transfers by content type — that an organization imposes under an information flow control regime. They are distinguished from access control (which governs *who* may reach information) by governing instead *where* information may travel within or between systems, irrespective of who subsequently accesses it. In practice, security architects and compliance teams invoke the concept when specifying, auditing, or implementing the enforceable rules that make an information flow control policy (e.g., NIST AC-4) operational.verified
Flow DiagramnounMWEa diagram of the sequence of operations in a computer program or an accounting systemverified
flow of CUInounMWEThe movement of Controlled Unclassified Information (CUI) as it transits within a system and between systems — distinct from the question of *who* may access that information — governed by policy-based controls at enforcement points. Organizations use information flow control policies and enforcement mechanisms to regulate movement between designated sources and destinations (e.g., networks, individuals, and devices) within systems and between interconnected systems. Enforcement occurs in boundary protection devices such as gateways, routers, guards, encrypted tunnels, and firewalls, which employ rule sets or configuration settings that restrict services, filter packets based on header information, or filter messages based on content. Identifying and controlling how CUI flows throughout an organization determines, in many ways, how all other security controls in a framework such as NIST SP 800-171 are implemented.verified
Flow SheetnounMWEa diagram of the sequence of operations in a computer program or an accounting systemverified
Flower HeadnounMWEa shortened compact cluster of flowers so arranged that the whole gives the effect of a single flower as in clover or members of the family Compositaeverified
Flower PeoplenounMWEa youth subculture, mostly from the middle class, originating in San Francisco in the 1960sverified
Flower StalknounMWEerect leafless flower stalk growing directly from the ground as in a tulipverified
Flower-Cup FernnounMWEslender fern of northern North America with shining chestnut-colored stipes and bipinnate fronds with usually distinct marginal soriverified
Flowering AlmondnounMWEwoody oriental plant with smooth unfurrowed red fruit grown especially for its white or pale pink blossomsverified
Flowering AshnounMWEsouthern Mediterranean ash having fragrant white flowers in dense panicles and yielding mannaverified
Flowering CherrynounMWEany of several shrubs or trees of the genus Prunus cultivated for their showy white or pink single or double blossomsverified
Flowering CrabnounMWEderived from the Iowa crab and cultivated for its large double pink blossomsverified
Flowering FernnounMWEAustralasian fern with clusters of sporangia on stems of fertile frondsverified
Flowering GlumenounMWEthe lower and stouter of the two glumes immediately enclosing the floret in most Gramineaeverified
Flowering HazelnounMWEany of several Asiatic deciduous shrubs cultivated for their nodding racemes of yellow flowers that appear before the leavesverified
Flowering MaplenounMWEan ornamental plant of the genus Abutilon having leaves that resemble maple leavesverified
Flowering QuincenounMWEAsiatic ornamental shrub with spiny branches and pink or red blossomsverified
Flowering RaspberrynounMWEshrubby raspberry of eastern North America having showy rose to purplish flowers and red or orange thimble-shaped fruitverified
Flowering SpurgenounMWEcommon perennial United States spurge having showy white petallike bractsverified
Flowering StonenounMWEany plant of the genus Lithops native to Africa having solitary yellow or white flowers and thick leaves that resemble stonesverified
Flowering TobacconounMWESouth American ornamental perennial having nocturnally fragrant greenish-white flowersverified
Flowering WintergreennounMWEcommon trailing perennial milkwort of eastern North America having leaves like wintergreen and usually rosy-purple flowers with winged sepalsverified
Flue PipenounMWEorgan pipe whose tone is produced by air passing across the sharp edge of a fissure or lipverified