15-letter words containing f, e, n, a
- 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.
- 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.
- fly-on-the-wall — A fly-on-the-wall documentary is made by filming people as they do the things they normally do, rather than by interviewing them or asking them to talk directly to the camera.
- fob destination — FOB destination is a shipping term indicating that ownership of goods passes at delivery to their destination, and the seller has total responsibility until then.
- 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.
- football season — annual period when soccer is played
- for a certainty — without doubt
- for some reason — for an unknown reason
- 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.
- fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
- forehand volley — a type of forehand shot played in tennis
- foreign affairs — politics: international relations
- forest of arden — a region of N Warwickshire, part of a former forest: scene of Shakespeare's As You Like It
- 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 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 rules — the set of rules that specify the syntax of a formal system; the algorithm that generates the well-formed formulae
- forward echelon — (in a military operation) the troops and officers in a combat zone or in a position to engage the enemy.
- 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
- 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
- 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 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.
- franz ferdinand — Francis Ferdinand.
- franz joseph ii — 1906–1989, prince of Liechtenstein 1938–89.
- 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.
- freak of nature — a person or animal that is born or grows with abnormal physical features.
- 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-trade zone — foreign-trade zone. free port (def 1). Abbreviation: FTZ.
- freestone state — Connecticut (used as a nickname).
- 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 togoland — a former United Nations Trust Territory in W Africa, administered by France (1946–60), now the independent republic of Togo
- 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.