15-letter words containing a, n, d, f
- fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.
- fire-and-forget — used to describe a type of missile that, once fired, is able to guide itself to its target
- first amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting Congress from interfering with freedom of religion, speech, assembly, or petition.
- fish and brewis — a Newfoundland dish of cooked salt cod and soaked hard bread
- flame hardening — the surface hardening of ferrous metals by heating the metal with an oxyacetylene flame followed by rapid cooling
- flame retardant — a compound used in cloth and plastic material to raise the ignition point of the material, thus making it resistant to fire.
- flame-retardant — Flame-retardant is the same as fire-retardant.
- flannel-mouthed — speaking thickly, as if one's mouth were full of flannel
- flannelled fool — a cricketer
- flatbed scanner — a type of optical scanner having a flat, stationary surface on which a page is scanned by a moving head.
- flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
- flesh and blood — offspring or relatives: one's own flesh and blood.
- flinders island — an island off the coast of NE Tasmania: the largest of the Furneaux Islands. Pop: 850 (2004 est). Area: 2077 sq km (802 sq miles)
- floating island — a dessert consisting of boiled custard with portions of meringue, whipped cream, or whipped egg whites and sometimes jelly floating upon it or around it.
- floating screed — Building Trades. screed (def 3).
- flood insurance — insurance covering loss or damage to property arising from a flood, flood tide, or the like.
- 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.
- 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.
- flying dutchman — a legendary Dutch ghost ship supposed to be seen at sea, especially near the Cape of Good Hope.
- 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.
- football ground — an area of land where football games are played
- 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.
- forehand volley — a type of forehand shot played in tennis
- forest of arden — a region of N Warwickshire, part of a former forest: scene of Shakespeare's As You Like It
- 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.
- 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.
- founding father — The founding father of an institution, organization, or idea is the person who sets it up or who first develops it.
- franz ferdinand — Francis Ferdinand.
- fraternal order — men's organization
- free-trade zone — foreign-trade zone. free port (def 1). Abbreviation: FTZ.
- french canadian — a descendant of the early French colonists of Canada.
- 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
- fresh-air fiend — a person who enjoys being outdoors or having good ventilation when indoors
- 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.
- fringed gentian — a plant of the genus Gentianopsis (or Gentiana), especially G. crinita, having a tubular blue corolla with four fringed petals.
- 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
- 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.
- fully fashioned — (of stockings, knitwear, etc) shaped and seamed so as to fit closely
- 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.
- fundamental law — the organic law of a state, especially its constitution.
- fundamentalists — Plural form of fundamentalist.