12-letter words containing r, u, n, a, f
- 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.
- fluoridating — Present participle of fluoridate.
- fluoridation — the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
- fluorinating — Present participle of fluorinate.
- fluorination — (chemistry) The introduction of fluorine into a compound by means of a chemical reaction.
- fluorocarbon — any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential; banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion.
- 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.
- 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.
- formulations — Plural form of formulation.
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- foundationer — a person supported by funds from a foundation, or serving as a member of a foundation
- foundry sand — silica-based sand mixed with clay, oil, etc, to improve its cohesive strength, used in moulding
- four-channel — Audio. quadraphonic.
- four-in-hand — a long necktie to be tied in a slipknot with the ends left hanging.
- 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
- franc-tireur — a sharpshooter in the French army.
- frank murphy — Frank, 1890–1949, U.S. statesman and jurist: associate justice of the U.S. Supreme Court 1940–49.
- 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.
- french sudan — former name of Mali.
- frequentable — Accessible.
- fructosamine — (organic compound) A chemical compound that can be considered the result of a reaction between fructose and ammonia or an amine (with a molecule of water being released).
- frumentation — (in ancient Rome) a public donation of grain, often given to citizens during times of unease
- frustrations — Plural form of frustration.
- full frontal — showing the entire front: full-frontal nudity.
- full-frontal — showing the entire front: full-frontal nudity.
- funambulator — a tightrope-walker; a funambulist
- fund manager — A fund manager is someone whose job involves investing the money contained in a fund, for example, a mutual fund, on behalf of another person or organization.
- fund-raising — the act or process of raising funds, as for nonprofit organizations or for a political cause.
- funeral home — an establishment where the dead are prepared for burial or cremation, where the body may be viewed, and where funeral services are sometimes held.
- funeral plan — A funeral plan is a basic life insurance policy that provides money to pay for the policyholder's funeral expenses when they die.
- funeral pyre — bonfire for cremation
- funny papers — funny1 (def 7b).
- furazolidone — a nitrofuran, C 8 H 7 N 3 O 5 , that is used in the treatment of giardiasis, and bacterial gastroenteritis and dysentery.
- furnace room — a room containing a furnace or an enclosed chamber for producing heat, often on the bottom floor of the building that it heats
- furocoumarin — psoralen.
- futilitarian — believing that human hopes are vain, and human strivings unjustified.
- galeniferous — Of a mineral or deposit that contains galena.
- gang of four — a group of four radical members of the Chinese Communist Party who were leaders of the Cultural Revolution and who were purged and imprisoned after the death of Mao Zedong: Jiang Qing (widow of Mao), Wang Hongwen, Yao Wenyuan, and Zhang Chunqiao.
- giant fulmar — either of two large white or brownish petrels of the genus Macronectes, of the Antarctic Ocean and adjacent seas.
- glandiferous — bearing nuts or acorns
- gracefulness — The state of being graceful.
- gratefulness — warmly or deeply appreciative of kindness or benefits received; thankful: I am grateful to you for your help.
- ground fault — the momentary, usually accidental, grounding of a conducting wire.
- ground staff — The people who are paid to maintain a sports ground are called the ground staff.
- half an hour — 30 minutes
- half-century — a period of 100 years.
- half-turning — split spindle.
- heartfulness — The state or quality of being heartful.