12-letter words containing f, r, e, u, n
- fast neutron — a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
- fault-finder — a person who habitually finds fault, complains, or objects, especially in a petty way.
- favouredness — the quality of or extent to which something is favoured
- fenfluramine — a sympathomimetic substance, C 12 H 16 F 3 N, formerly used mainly as an anorectic in the treatment of obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- ferroniobium — An important alloy of iron and niobium.
- feuchtwanger — Lion [lee-awn] /ˈli ɔn/ (Show IPA), 1884–1958, German novelist and dramatist.
- fiber bundle — a flexible bundle of optical glass that transmits images.
- fire curtain — safety curtain.
- five hundred — a variety of euchre in which a joker and widow are included, the object being to score 500 points first.
- flight nurse — a nurse in the U.S. Air Force who tends patients being transported by airplane.
- flindermouse — (obsolete) A bat (the mammal).
- flourishment — The act or state of flourishing.
- 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.
- 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.
- 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.
- food counter — a counter in a shop, bar, cafeteria, etc where food is sold or served
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- foregrounded — Simple past tense and past participle of foreground.
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- foundationer — a person supported by funds from a foundation, or serving as a member of a foundation
- foundry type — type cast in individual characters for setting by hand.
- four hundred — the exclusive social set of a city or area.
- four-channel — Audio. quadraphonic.
- four-corners — a point in the SW U.S., at the intersection of 37° N latitude and 109° W longitude, where the boundaries of four states—Arizona, Utah, Colorado, and New Mexico—meet: the only such point in the U.S.
- four-engined — (of an aircraft) having four engines
- fourdriniers — Plural form of fourdrinier.
- fourfoldness — the quality of consisting of four parts
- fourteenthly — in (the) fourteenth place
- franc-tireur — a sharpshooter in the French army.
- frankfurters — Plural form of frankfurter.
- fraudulently — characterized by, involving, or proceeding from fraud, as actions, enterprise, methods, or gains: a fraudulent scheme to evade taxes.
- free running — Free running is the activity of running through areas in a town, using skilful movements to jump over walls and other objects.
- free-cutting — (of a metal alloy) having good machinability: free-cutting steel.
- freezer burn — light-colored spots that appear on frozen food, caused by loss of surface moisture due to faulty packaging or improper freezing methods.
- french curve — a flat drafting instrument, usually consisting of a sheet of clear plastic, the edges of which are cut into several scroll-like curves enabling a draftsperson to draw lines of varying curvature.
- french sudan — former name of Mali.
- french union — a former association of France and its overseas territories, colonies, and protectorates as constituted in 1946: superseded by the French Community in 1958.
- frequentable — Accessible.
- friend-court — amicus curiae.
- fringe group — a group that is on the periphery of a larger organization because its views are more extreme than the majority
- frondiferous — Producing fronds.
- front burner — Informal. a condition or position of top priority: Put the project on the front burner and finish it as soon as possible.
- front runner — a person who leads in any competition.
- front-runner — In a competition or contest, the front-runner is the person who seems most likely to win it.