12-letter words containing f, u, r
- flourishment — The act or state of flourishing.
- flow country — an area of moorland and peat bogs in northern Scotland known for its wildlife, now partly afforested
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- fluorochrome — any of a group of fluorescent dyes used to label biological material.
- fluorography — photofluorography.
- fluorometers — Plural form of fluorometer.
- fluorometric — Of, pertaining to, or measured using fluorometry.
- fluoroscoped — Simple past tense and past participle of fluoroscope.
- fluoroscopes — Plural form of fluoroscope.
- 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.
- flutterballs — Plural form of flutterball.
- flutterboard — a kickboard.
- 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.
- focus puller — the member of a camera crew who adjusts the focus of the lens as the camera is tracked in or out
- 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
- forasmuch as — since
- 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.
- foreclosures — Plural form of foreclosure.
- foregrounded — Simple past tense and past participle of foreground.
- 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.
- forequarters — the forward end of half of a carcass, as of beef or lamb.
- foresightful — care or provision for the future; provident care; prudence.
- forethoughts — Plural form of forethought.
- 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?
- 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.