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12-letter words containing f, e, n, l

  • flinders bar — a bar of soft iron, mounted vertically beneath a compass to compensate for vertical magnetic currents.
  • 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.
  • flowing well — A flowing well is a well which can produce oil or gas without the use of a mechanical pump.
  • 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.
  • fluphenazine — a potent tranquilizer, C 22 H 26 F 3 N 3 OS, derived from phenothiazine and used in various forms for the management of certain neurological or psychotic disorders and for short-term treatment of acute anxiety.
  • 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.
  • flux density — the magnetic, radiant, or electric flux per unit of cross-sectional area.
  • flux linkage — the product of the magnetic flux and the number of turns in a given coil.
  • fly in amber — a strange relic or reminder of the past
  • fly the nest — When children fly the nest, they leave their parents' home to live on their own.
  • flyfisherman — Flyfisher.
  • flyfishermen — Plural form of flyfisherman.
  • flying field — a small landing field with short runways and facilities for servicing airplanes on a lesser scale than an airport.
  • flying jenny — Chiefly Midland and Southern U.S. a merry-go-round, especially a relatively small or unadorned one.
  • 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 mouse — pygmy glider.
  • flying shear — (in a continuous rolling mill) a shear that moves with the piece being cut.
  • flying wedge — a fast-moving group of law-enforcement officers in a compact, wedge-shaped formation that can infiltrate crowds or protect someone effectively.
  • focal length — the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f.
  • 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.
  • folding seat — a seat that can be folded down
  • foodlessness — Absence of food.
  • footlessness — the state of being footless
  • footplateman — a member of a locomotive crew who stands on the footplate to operate the controls
  • 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
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