12-letter words containing r, u, f, i
- filibusterer — A person who filibusters.
- fillibusters — Plural form of fillibuster.
- filthy lucre — money: to lose one's health for the sake of filthy lucre.
- finno-ugrian — pertaining to the Finns and the Ugrians.
- fire curtain — safety curtain.
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- firing squad — a military detachment assigned to execute a condemned person by shooting.
- firmer gouge — a narrow-bladed gouge similar in manner of use to a firmer chisel.
- first cousin — cousin (def 1).
- first fruits — The first fruits of a project or activity are the earliest results or profits.
- fish culture — the artificial propagation and breeding of fish.
- five hundred — a variety of euchre in which a joker and widow are included, the object being to score 500 points first.
- fixture list — a list of the games that a team is scheduled to play
- flammiferous — flame-producing
- fleur-de-lis — a heraldic device somewhat resembling three petals or floral segments of an iris tied by an encircling band.
- flickermouse — Alternative form of flittermouse.
- flight nurse — a nurse in the U.S. Air Force who tends patients being transported by airplane.
- flindermouse — (obsolete) A bat (the mammal).
- flittermouse — bat2 (def 1).
- floriculture — the cultivation of flowers or flowering plants, especially for ornamental purposes.
- flour sifter — a container in which flour is sifted
- flourishment — The act or state of flourishing.
- fluidextract — a liquid preparation, containing alcohol as a solvent or as a preservative, that contains in each cubic centimeter the medicinal activity of one gram of the crude drug in powdered form.
- fluorapatite — a crystalline mineral, Ca 5 (PO 4) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
- fluoresceine — Alternative spelling of fluorescein.
- fluoridating — Present participle of fluoridate.
- fluoridation — the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
- fluorimeters — Plural form of fluorimeter.
- fluorimetric — Alternative form of fluorometric.
- fluorinating — Present participle of fluorinate.
- fluorination — (chemistry) The introduction of fluorine into a compound by means of a chemical reaction.
- fluorometric — Of, pertaining to, or measured using fluorometry.
- fluoroscopic — of or relating to the fluoroscope or fluoroscopy.
- 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.
- flutter kick — a swimming kick in which the legs make rapid alternate up-and-down movements while the knees remain rigid, as in the crawl.
- flutter mill — a flutter wheel, especially a small one designed as a child's plaything.
- 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.
- forebuilding — (architecture,historical) An outer defense work of a castle used to protect the entrance to the keep.
- foresightful — care or provision for the future; provident care; prudence.
- former pupil — someone who used to attend a particular school or be a student of a particular teacher
- 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 pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.