15-letter words containing f, a, i, l
- fluoridationist — One who supports the addition of fluoride to the public water supply.
- 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.
- flying characin — hatchetfish (def 2).
- flying dutchman — a legendary Dutch ghost ship supposed to be seen at sea, especially near the Cape of Good Hope.
- focal infection — an infection in which bacteria are localized in some region, as the tonsils or the tissue around a tooth, from which they may spread to some other organ or structure of the body.
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- 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.
- 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.
- 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 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-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.
- 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
- full-cream milk — whole unskimmed milk
- 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.
- fundamentalists — Plural form of fundamentalist.
- funeral oration — a formal speech delivered at a funeral
- funeral service — ceremony at a burial or cremation
- fungistatically — in a fungistatic manner
- fusospirochetal — Relating to fusospirochetes.
- futilitarianism — The belief that all human activity is futile.
- gaelic football — an Irish game played with 15 players on each side and goals resembling rugby posts with a net on the bottom part. Players are allowed to kick, punch, and bounce the ball and attempt to get it over the bar or in the net
- gale-force wind — a wind of force seven to ten on the Beaufort scale or from 45 to 90 kilometres per hour
- gaming platform — a computer system specially made for playing video games; a console: The new gaming platforms have much better graphics resolution than previous generation consoles.
- general officer — an officer ranking above colonel.
- genetic fallacy — the fallacy of confusing questions of validity and logical order with questions of origin and temporal order.
- 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.
- gesneria family — the plant family Gesneriaceae, characterized by herbaceous plants having a basal rosette of usually toothed leaves, tubular two-lipped flowers, and fruit in the form of a berry or capsule, and including the African violet, gloxinia, and streptocarpus.