15-letter words containing f, i, a, r
- 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.
- flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
- 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).
- fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
- for a certainty — without doubt
- for a rainy day — If you say that you are saving something, especially money, for a rainy day, you mean that you are saving it until a time in the future when you might need it.
- for pity's sake — You can say for pity's sake to add emphasis to what you are saying, especially when you are annoyed or upset.
- for their pains — You say that something was all you got for your pains when you are mentioning the disappointing result of situation into which you put a lot of work or effort.
- foreign affairs — politics: international relations
- forget about it — don't mention it, you're welcome
- form an opinion — decide what you think
- formation dance — any dance in which a number of couples form a certain arrangement, such as two facing lines or a circle, and perform a series of figures within or based on that arrangement
- 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.
- founding father — The founding father of an institution, organization, or idea is the person who sets it up or who first develops it.
- 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.
- fragmentariness — The quality of being fragmentary.
- fragrance strip — a folded, usually sealed strip on a page or card, impregnated with fragrance that is released when pulled or torn open: The magazine is full of fragrance strips in the advertisements.
- francis bushman — Francis X(avier) 1883–1966, U.S. film actor.
- francis turbine — a water turbine designed to produce high flow from a low head of pressure: used esp in hydroelectric power generation
- franco-american — an American of French or French-Canadian descent.
- frankensteinian — a person who creates a monster or a destructive agency that cannot be controlled or that brings about the creator's ruin.
- 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.
- franz ferdinand — Francis Ferdinand.
- franz joseph ii — 1906–1989, prince of Liechtenstein 1938–89.
- 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.
- freight charges — the price charged for conveying goods by freight
- french canadian — a descendant of the early French colonists of Canada.
- 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.
- french marigold — a composite plant, Tagetes patula, of Mexico, having yellow flowers with red markings.
- french tamarisk — a shrub or small tree, Tamarix gallica, of the Mediterranean region, having bluish foliage and white or pinkish flowers.
- french-speaking — able to speak French
- fresh-air fiend — a person who enjoys being outdoors or having good ventilation when indoors
- 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.
- friedrichshafen — a city in Baden-Württemberg, S Germany, on Lake Constance.
- 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.