15-letter words containing a, f, l
- football season — annual period when soccer is played
- fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
- forecastle deck — a partial weather deck on top of a forecastle superstructure; topgallant forecastle.
- forecastle head — the extreme fore part of a forecastle superstructure.
- forehand volley — a type of forehand shot played in tennis
- 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 calculus — an uninterpreted symbolic system whose syntax is precisely defined, and on which a relation of deducibility is defined in purely syntactic terms; a logistic system
- formal language — correct or polite words and phrases
- formation fluid — Formation fluid is fluid in the pores (=tiny holes) of a rock.
- formation rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- formularization — The act of formularizing; a formularized or formulated statement or exhibition.
- fort lauderdale — a city in SE Florida: seashore resort.
- forward echelon — (in a military operation) the troops and officers in a combat zone or in a position to engage the enemy.
- forward-looking — planning for or anticipating possible future events, conditions, etc.; progressive.
- foundationalism — (epistemology) The doctrine that beliefs derive justification from certain basic beliefs.
- fountain valley — a city in SW California.
- four-ball match — a match, scored by holes, between two pairs of players, in which the four players tee off and the partners alternate in hitting the pair's ball having the better lie off the tee.
- fourth official — In football, the fourth official is an official who assists the referee and assistant referees from the side of the pitch.
- fovea centralis — a small pit or depression at the back of the retina forming the point of sharpest vision.
- fractional note — a banknote in a denomination smaller than the standard unit of currency
- fractionalizing — Present participle of fractionalize.
- franklin pierce — Franklin, 1804–69, 14th president of the U.S. 1853–57.
- franklin square — a town on W Long Island, in SE New York.
- franklin's gull — a black-headed North American gull, Larus pipixcan, feeding chiefly on insects.
- fraternal order — men's organization
- fraternal twins — one of a pair of twins, not necessarily resembling each other, or of the same sex, that develop from two separately fertilized ova.
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- free throw lane — the rectangular area, 19 feet (5.7 meters) long and usually 12 or 16 feet (3.6 m or 4.8 meters) wide, extending from the end line behind each backboard to the foul line and along the sides of which players line up during a foul shot.
- free-tailed bat — any of various small, swift, insect-eating bats of the family Molossidae, common in warm climates, having thick, leathery ears and a tail that projects well beyond the tail membrane.
- french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
- french togoland — a former United Nations Trust Territory in W Africa, administered by France (1946–60), now the independent republic of Togo
- friar's lantern — ignis fatuus (def 1).
- friedmann model — any model of the universe deduced from a homogeneous, isotropic solution of Einstein's field equations without a cosmological constant. Such models form the mathematical basis for many modern cosmologies and provide for expansion or contraction of the universe.
- fringe festival — an unofficial, often unconventional, arts festival that is associated with another, larger festival
- frisian islands — a chain of islands in the North Sea along the coasts of the Netherlands, Germany, and Denmark: separated from the mainland by shallows
- frontal cyclone — any extratropical cyclone associated with a front: the most common cyclonic storm.
- 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
- fumitory family — the plant family Fumariaceae, characterized by herbaceous plants having deeply cut basal or alternate leaves, flowers with four petals of which one or two are spurred or lobed, and fruit in the form of a capsule, and including the bleeding heart, Dutchman's-breeches, fumitory, and squirrel corn.
- functionability — functional (def 3).
- functional food — a food containing additives which provide extra nutritional value
- functional load — the relative frequency of occurrence of words that are differentiated in one and the same position by only one distinctive feature. In English, the opposition of voiced and voiceless th has a low functional load being used only to distinguish such pairs as ether and either, or wreath and wreathe.
- functional unit — A subsystem of the central processing unit of a computer. E.g. arithmetic and logic unit, memory address register, barrel shifter, register file.
- functionalistic — of or relating to a function or functions: functional difficulties in the administration.
- 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.