15-letter words containing f, i, n, a
- feynman diagram — a network of lines that represents a series of emissions and absorptions of elementary particles by other elementary particles, from which the probability of the series can be calculated.
- field ambulance — a mobile medical unit that accepts casualties from forward units, treating the lightly wounded and stabilizing the condition of the seriously wounded before evacuating them to a hospital
- fifth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, providing chiefly that no person be required to testify against himself or herself in a criminal case and that no person be subjected to a second trial for an offense for which he or she has been duly tried previously.
- fighter command — a former unit of the Royal Air Force dedicated to the use of fighter aircraft, esp against enemy bombers and their escorts during WWII
- fighting chance — a possibility of success following a struggle.
- figurate number — a number having the property that the same number of equally spaced dots can be arranged in the shape of a regular geometrical figure.
- file management — the work of organizing and arranging files in a computer
- filemaker, inc. — (company) The company that distributes the FileMaker database. FileMaker, Inc. was previously known as Claris and was renamed after a restructuring in January 1998.
- filling station — service station (def 1).
- fillister plane — an adjustable plane for cutting rabbets, grooves, etc
- finance company — an institution engaged in such specialized forms of financing as purchasing accounts receivable, extending credit to retailers and manufacturers, discounting installment contracts, and granting loans with goods as security.
- finger alphabet — a series of shapes made by the fingers that indicate letters of an alphabet and can be used in fingerspelling for the deaf
- finger painting — a jellylike paint, used chiefly by children in painting, usually with their fingers.
- finite automata — Finite State Machine
- finno-russo war — the war (1939–40) between Finland and the Soviet Union.
- fire department — the department of a municipal government charged with the prevention and extinguishing of fire.
- fire resistance — the amount of resistance of a material or construction to fire.
- fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.
- fire-and-forget — used to describe a type of missile that, once fired, is able to guide itself to its target
- first amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting Congress from interfering with freedom of religion, speech, assembly, or petition.
- first gentleman — (often initial capital letters) the husband of the U.S. president or a current governor or mayor.
- fish and brewis — a Newfoundland dish of cooked salt cod and soaked hard bread
- fish restaurant — a restaurant which serves mainly fish
- fishing harbour — a place where fishing boats are tied up
- fishing village — a village in which fishing is the main industry
- fission reactor — a nuclear reactor in which a fission reaction takes place
- fissiparousness — The quality of being fissiparous.
- fitness fanatic — someone who is obsessed with exercise and keeping himself or herself fit
- fitness tracker — a wearable electronic device or a software application that monitors one's physical fitness and daily physical activity.
- fitness trainer — someone whose job is to improve other people's fitness
- flag lieutenant — an admiral's ADC
- flame hardening — the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
- flamingo-flower — a central American plant, Anthurium scherzeranum, of the arum family, having a red, coiled spadix and a bright red, shiny, heart-shaped spathe, grown as an ornamental.
- flange coupling — a driving coupling between rotating shafts that consists of flanges (or half couplings) one of which is fixed at the end of each shaft, the two flanges being bolted together with a ring of bolts to complete the drive
- flapping router — (networking) A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
- flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
- fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
- flemish brabant — a province of central Belgium, formed in 1995 from the N part of Brabant province: densely populated and intensively farmed, with large industrial centres. Pop: 1 031 904 (2004 est). Area: 2106 sq km (813 sq miles)
- flight of fancy — An idea or statement that is very imaginative but complicated, silly, or impractical can be referred to as a flight of fancy.
- flight sergeant — a noncommissioned officer in the Royal Air Force junior in rank to a master aircrew
- flinders island — an island off the coast of NE Tasmania: the largest of the Furneaux Islands. Pop: 850 (2004 est). Area: 2077 sq km (802 sq miles)
- flirtatiousness — The quality of being flirtatious.
- floating charge — an unsecured charge on the assets of an enterprise that allows such assets to be used commercially until the enterprise ceases to operate or the creditor intervenes to demand collateral
- floating island — a dessert consisting of boiled custard with portions of meringue, whipped cream, or whipped egg whites and sometimes jelly floating upon it or around it.
- floating policy — (in marine insurance) a policy that provides protection of a broad nature for shipments of merchandise and that is valid continuously until canceled.
- floating screed — Building Trades. screed (def 3).
- floating supply — the aggregate supply of ready-to-market goods or securities.
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
- flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.