12-letter words containing r, o, f, l
- forgeability — (metallurgy) The quality or degree of being forgeable.
- forlorn hope — a perilous or desperate enterprise.
- 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.
- former pupil — someone who used to attend a particular school or be a student of a particular teacher
- formlessness — The quality of being formless.
- 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.
- formyl group — the univalent group HCO–, derived from formic acid.
- fort belvoir — a military reservation and U.S. Army training center in NE Virginia on the Potomac.
- fort collins — a city in N Colorado.
- 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.
- forthrightly — In a forthright manner.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- fortresslike — Resembling a fortress in shape or impregnability.
- fortruncible — A cross between Fortran and RUNCIBLE for the IBM 650. Listed in CACM 2(5):16 (May 1959).
- fortuitously — In a fortuitous manner.
- 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
- fosbury flop — a modern high-jumping technique whereby the jumper clears the bar headfirst and backwards
- foster child — a child raised by someone who is not its natural or adoptive parent.
- four old cat — three old cat played with four batters.
- four-channel — Audio. quadraphonic.
- four-flusher — a person who makes false or pretentious claims; bluffer.
- four-o'clock — a common garden plant, Mirabilis jalapa, of the four-o'clock family, having tubular red, white, yellow, or variegated flowers that open late in the afternoon.
- 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
- four-wheeler — a four-wheel vehicle, especially a hackney carriage.
- fourfoldness — the quality of consisting of four parts
- fourteenthly — in (the) fourteenth place
- fourth world — the world's most poverty-stricken nations, especially in Africa and Asia, marked by very low GNP per capita and great dependence upon foreign economic aid.
- fourth-class — of, relating to, or designated as a class next below third, as for mailing, shipping, etc.
- fowl cholera — a specific, acute, diarrheal disease of fowls, especially chickens, caused by a bacterium, Pasteurella multocida.
- fox squirrel — any of several North American arboreal squirrels varying in color and of an exceptionally large size.
- fractionally — pertaining to fractions; comprising a part or the parts of a unit; constituting a fraction: fractional numbers.
- francophilia — Alternative capitalization of Francophilia.
- frankalmoign — a form of tenure by which religious bodies held lands, esp on condition of praying for the soul of the donor
- 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
- free-for-all — a fight, argument, contest, etc., open to everyone and usually without rules.
- freezer foil — a type of tinfoil used to wrap food that is to be frozen