15-letter words containing a, e, f, u
- flag lieutenant — an admiral's ADC
- 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
- flannel-mouthed — speaking thickly, as if one's mouth were full of flannel
- 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.
- flavourlessness — Alternative spelling of flavorlessness.
- flavoursomeness — Alt form flavorsomeness.
- fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
- flirtatiousness — The quality of being flirtatious.
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- floral tributes — bunches or arrangements of flowers left as a memorial at the site of a fatal incident
- florida current — the part of the Gulf Stream which extends from the Florida Strait to Cape Hatteras.
- fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter.
- fluorine dating — a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
- fluorochemicals — Plural form of fluorochemical.
- fluorophosphate — a salt or ester of a fluorophosphoric acid.
- football league — highest-level soccer competition
- forget about it — don't mention it, you're welcome
- formal argument — (programming) (Or "parameter") A name in a function or subroutine definition that is replaced by, or bound to, the corresponding actual argument when the function or subroutine is called. In many languages formal arguments behave like local variables which get initialised on entry. See: argument.
- formal language — correct or polite words and phrases
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- fort lauderdale — a city in SE Florida: seashore resort.
- foster daughter — a girl raised like one's own daughter, though not such by birth or adoption.
- founding father — The founding father of an institution, organization, or idea is the person who sets it up or who first develops it.
- fountain valley — a city in SW California.
- fountains abbey — a ruined Cistercian abbey near Ripon in Yorkshire: founded 1132, dissolved 1539; landscaped 1720
- francis turbine — a water turbine designed to produce high flow from a low head of pressure: used esp in hydroelectric power generation
- franklin square — a town on W Long Island, in SE New York.
- freak of nature — a person or animal that is born or grows with abnormal physical features.
- freeze-fracture — to prepare (material) for the electron microscope by freeze fracturing.
- french guianese — an overseas department of France, on the NE coast of South America: formerly a French colony. 35,135 sq. mi. (91,000 sq. km). Capital: Cayenne.
- freshwater drum — an edible drum, Aplodinotus grunniens, of the fresh waters of North and Central America, sometimes reaching a weight of 60 pounds (27 kg).
- friend at court — a friend in a position of influence or power who may advance one's interests, especially a helpful person who is close to someone in authority.
- frozen daiquiri — a cocktail consisting of rum, lemon or lime juice, and sugar, vigorously beaten together with finely crushed ice and served with a straw.
- full-cream milk — whole unskimmed milk
- full-moon maple — Japanese maple.
- fuller's teasel — a Eurasian teasel plant, Dipsacus fullonum, whose prickly flower heads are used for raising the nap on woollen cloth
- fully fashioned — (of stockings, knitwear, etc) shaped and seamed so as to fit closely
- functionalities — of or relating to a function or functions: functional difficulties in the administration.
- fundamental law — the organic law of a state, especially its constitution.
- fundamentalists — Plural form of fundamentalist.
- fundamentalness — The state or condition of being fundamental; essential importance.
- funeral oration — a formal speech delivered at a funeral
- funeral parlour — A funeral parlour is a place where a funeral director works and where dead people are prepared for burial or cremation.
- funeral service — ceremony at a burial or cremation
- funny handshake — an elaborate handshake, indicating that someone belongs to a certain social group, etc
- fusospirochetal — Relating to fusospirochetes.
- geranium family — the plant family Geraniaceae, typified by herbaceous plants or small shrubs having lobed leaves, showy flowers, and slender, beak-shaped fruit, and including the crane's-bills, stork's-bills, and cultivated geraniums of the genus Pelargonium.
- get out of jail — to get out of a difficult situation
- ghetto fabulous — pertaining to or noting a lifestyle of showy but superficial glamour and luxury that is sometimes adopted by people in or from an urban ghetto: That man is just ghetto-fabulous; his bling wears bling!
- ghetto-fabulous — pertaining to or noting a lifestyle of showy but superficial glamour and luxury that is sometimes adopted by people in or from an urban ghetto: That man is just ghetto-fabulous; his bling wears bling!