12-letter words containing f, e, r, n, l
- floor-length — extending to the floor: a floor-length skirt.
- floor-manage — to act as or in the manner of a floor manager.
- flourishment — The act or state of flourishing.
- flow pattern — The flow pattern is the way in which fluids move through a reactor.
- fluoranthene — (organic compound) A polycyclic aromatic hydrocarbon consisting of a benzene ring attached to each of the rings of a naphthalene molecule; it is carcinogenic, and is a product of incomplete combustion.
- fluoresceine — Alternative spelling of fluorescein.
- fluorescence — the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. Compare phosphorescence (def 1).
- fluorescents — Plural form of fluorescent.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- fluviomarine — of or formed by the combined action of river and sea.
- fly in amber — a strange relic or reminder of the past
- flyfisherman — Flyfisher.
- flyfishermen — Plural form of flyfisherman.
- flying lemur — either of two lemurlike mammals, Cynocephalus variegatus, of southeastern Asia and the East Indies, or C. volans, of the Philippines, having broad folds of skin on both sides of the body to aid in gliding from tree to tree: now rare.
- flying shear — (in a continuous rolling mill) a shear that moves with the piece being cut.
- folding rule — a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.
- forbearingly — In a forbearing manner.
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- forcibleness — The quality of being forcible.
- forebodingly — a prediction; portent.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- forehandedly — Prudently, with thrift and foresight.
- foreign bill — a bill of exchange drawn on a payer in one country by a maker in another.
- foreign-flag — (of a vessel or aircraft) having a registry under a nationality other than one's own: rivalry between U.S.-flag freighters and foreign-flag ships.
- forensically — pertaining to, connected with, or used in courts of law or public discussion and debate.
- foreseeingly — by way of foreseeing
- forestalling — Present participle of forestall.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forlorn hope — a perilous or desperate enterprise.
- formlessness — The quality of being formless.
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- forward line — the soldiers at the forward most position in an army force
- four-channel — Audio. quadraphonic.
- fourfoldness — the quality of consisting of four parts
- fourteenthly — in (the) fourteenth place
- fragmentally — fragmentary.
- franchisable — a privilege of a public nature conferred on an individual, group, or company by a government: a franchise to operate a bus system.
- frank stella — Frank (Phillip) born 1936, U.S. painter.
- franked mail — official mail sent by members of Congress, the vice president, and other authorized officials. Compare frank1 (defs 6–9).
- fraternalism — of or befitting a brother or brothers; brotherly.
- fraternality — Brotherliness.
- fraudulently — characterized by, involving, or proceeding from fraud, as actions, enterprise, methods, or gains: a fraudulent scheme to evade taxes.
- free balloon — a balloon, often equipped to carry passengers, that drifts with air currents and whose ascent and descent are controlled by the release of ballast and buoyant gas.
- free on rail — (of a consignment of goods) delivered to a railway station and loaded onto a train without charge to the buyer
- freewheeling — operating in the manner of a freewheel.
- freightliner — a train for transporting containerized freight.
- french chalk — a talc for marking lines on fabrics.
- french leave — Sometimes Offensive. a departure without ceremony, permission, or notice: Taking French leave, he evaded his creditors.
- french pleat — curtain, draperies
- french-style — French-cut.