12-letter words containing a, l, f, r
- fluorography — photofluorography.
- fluorouracil — a pyrimidine analog, C 4 H 3 FN 2 O 2 , used in the treatment of certain cancers.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flutterballs — Plural form of flutterball.
- flutterboard — a kickboard.
- 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.
- flying shear — (in a continuous rolling mill) a shear that moves with the piece being cut.
- flying start — a start, as in sailboat racing, in which the entrants begin moving before reaching the starting line.
- food allergy — an allergy to a specific type of food
- foolhardiest — Superlative form of foolhardy.
- foot-lambert — a unit of luminance or photometric brightness, equal to the luminance of a surface emitting a luminous flux of one lumen per square foot, the luminance of a perfectly reflecting surface receiving an illumination of one foot-candle. Abbreviation: fL.
- for a giggle — as a joke or prank; not seriously
- for all that — the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year.
- for all time — forever, for eternity
- forbearingly — In a forbearing manner.
- fore-topsail — a topsail set on a foremast on a ship.
- forecastable — to predict (a future condition or occurrence); calculate in advance: to forecast a heavy snowfall; to forecast lower interest rates.
- forehandedly — Prudently, with thrift and foresight.
- 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.
- forepleasure — the aggregate of pleasurable sensations that lead to a heightened physical or emotional response, as of those aroused in sexual intercourse that lead to an orgasm.
- forestalling — Present participle of forestall.
- forestaysail — a triangular sail set on a forestay; the innermost headsail of a vessel.
- foretopsails — Plural form of foretopsail.
- foretriangle — the triangular area formed by the deck, foremast, and headstay of a sailing vessel
- forgeability — (metallurgy) The quality or degree of being forgeable.
- formal cause — a person or thing that acts, happens, or exists in such a way that some specific thing happens as a result; the producer of an effect: You have been the cause of much anxiety. What was the cause of the accident?
- formal dress — clothing for elegant or solemn occasions
- formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions.
- formaldehyde — a colorless, toxic, potentially carcinogenic, water-soluble gas, CH 2 O, having a suffocating odor, usually derived from methyl alcohol by oxidation: used chiefly in aqueous solution, as a disinfectant and preservative, and in the manufacture of various resins and plastics.
- formalizable — Capable of being formalized.
- formula milk — An artificial substitute for breast milk intended for feeding infants. It can come in powdered form to be mixed with water or in instant liquid form.
- formula unit — (of an ionic compound that does not form molecules, as most salts) the chemical formula with the least number of elements out of the set of empirical formulas having the same proportion of ions as elements: NaCl is the formula unit for the ionic compound sodium chloride.
- formularized — Simple past tense and past participle of formularize.
- formularizer — One who formularizes.
- formularizes — Third-person singular simple present indicative form of formularize.
- formulations — Plural form of formulation.
- fort laramie — a city in SE Wyoming.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fort william — a port in W Ontario, in S Canada, on Lake Superior: created in 1970 by the merger of twin cities (Fort William and Port Arthur) and two adjoining townships.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- forward line — the soldiers at the forward most position in an army force
- forward roll — a gymnastic movement in which the body is turned heels over head with the back of the neck resting on the ground
- forward sale — the sale of something that is to be delivered and paid for at a later date
- four old cat — three old cat played with four batters.
- four-channel — Audio. quadraphonic.
- four-walling — a form of distribution and exhibition, esp. of films, in which a distributor or producer rents a theater for a fixed amount, pays all advertising and operating costs, and collects all box-office receipts
- fourth-class — of, relating to, or designated as a class next below third, as for mailing, shipping, etc.