Glossary · Nouns · F
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TermTypeDefinitionClassificationsUpdated
Fire WatchernounMWEsomeone whose duty was to watch for fires caused by bombs dropped from the air during World War IIverified
Fire WatchingnounMWE(during World War II in Britain) watching for fires started by bombs that dropped from the skyverified
Fire WheelnounMWEannual of central United States having showy long-stalked yellow flower heads marked with scarlet or purple in the centerverified
Fire-Bellied ToadnounMWEtoad of central and eastern Europe having red or orange patches mixed with black on its undersideverified
Firebreaknouna narrow field that has been cleared to check the spread of a prairie fire or forest fireverified
Firecrackernounfirework consisting of a small explosive charge and fuse in a heavy paper casingverified
Firedampnouna mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with airverified
Fireguardnouna narrow field that has been cleared to check the spread of a prairie fire or forest fireverified
Firelighternoun(a piece of) a substance that burns easily and can be used to start a coal or coke fireverified
Fireman's AxnounMWEan ax that has a long handle and a head with one cutting edge and a point on the other sideverified
Fireman's AxenounMWEan ax that has a long handle and a head with one cutting edge and a point on the other sideverified
Fireroomnoun(nautical) chamber or compartment in which the furnaces of a ship are stoked or firedverified
Firestormnouna storm in which violent winds are drawn into the column of hot air rising over a severely bombed areaverified
firewallnounA hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.Network
firewall and router configuration standardnounMWEThe organizational document that defines the parameters for each Configurable Item on each of the organization's router and firewall components, and then how each of those individual components should be configured as a part of the overall networking system.Network
Firewall Control ProxynounMWEThe component that controls a firewall’s handling of a call. The firewall control proxy can instruct the firewall to open specific ports that are needed by a call, and direct the firewall to close these ports at call termination.Network
firewall rulenounMWEFirewall rules examine the control information in individual packets. The rules either block or allow those packets based on rules that are defined on these pages. Firewall rules are assigned directly to computers or to policies that are in turn assigned to a computer or collection of computers.Network
Fireweednountall North American perennial with creeping rootstocks and narrow leaves and spikes of pinkish-purple flowers occurring in great abundance in burned-over areas or recent clearingsverified
Firewheel TreenounMWEeastern Australian tree widely cultivated as a shade tree and for its glossy leaves and circular clusters of showy red to orange-scarlet flowersverified
Fireworknoun(usually plural) a device with an explosive that burns at a low rate and with colored flamesverified
Firing PartynounMWEa squad formed to fire volleys at a military funeral or to carry out a military executionverified
Firing SquadnounMWEa squad formed to fire volleys at a military funeral or to carry out a military executionverified
Firmamentnounthe apparent surface of the imaginary sphere on which celestial bodies appear to be projectedverified
FirmwarenounComputer programs and data stored in hardware - typically in read-only memory (ROM) or programmable read-only memory (PROM) - such that the programs and data cannot be dynamically written or modified during execution of the programs.System
First BasenounMWEthe fielding position of the player on a baseball team who is stationed at first of the bases in the infieldverified
First ClassnounMWEmail that includes letters and postcards and packages sealed against inspectionverified
First Cranial NervenounMWEa collective term for numerous olfactory filaments in the nasal mucosaverified
First FloornounMWEthe floor of a building that is at or nearest to the level of the ground around the buildingverified
First in First OutnounMWEinventory accounting in which the oldest items (those first acquired) are assumed to be the first soldverified
First Law of MotionnounMWEa body remains at rest or in motion with a constant velocity unless acted upon by an external forceverified
First Law of ThermodynamicsnounMWEthe fundamental principle of physics that the total energy of an isolated system is constant despite internal changesverified
First LieutenantnounMWEa commissioned officer in the Army or Air Force or Marines ranking above a 2nd lieutenant and below a captainverified
First MomentnounMWEthe sum of the values of a random variable divided by the number of valuesverified
First MortgagenounMWEa mortgage that has priority over all mortgages and liens except those imposed by lawverified
First PersonnounMWEpronouns and verbs used to refer to the speaker or writer of the language in which they occurverified