12-letter words containing u, f, o
- fast neutron — a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
- fastidiously — excessively particular, critical, or demanding; hard to please: a fastidious eater.
- fauxmosexual — (slang) A heterosexual person who affects homosexual characteristics.
- favouredness — the quality of or extent to which something is favoured
- featurectomy — /fee"ch*r-ek"t*-mee/ The act of removing a feature from a program. Featurectomies come in two flavours, the "righteous" and the "reluctant". Righteous featurectomies are performed because the remover believes the program would be more elegant without the feature, or there is already an equivalent and better way to achieve the same end. (Doing so is not quite the same thing as removing a misfeature.) Reluctant featurectomies are performed to satisfy some external constraint such as code size or execution speed.
- felicitously — In a felicitous manner.
- ferrofluidic — Of or pertaining to a ferrofluid.
- ferroniobium — An important alloy of iron and niobium.
- fibrous root — a root, as in most grasses, having numerous, very fine branches of approximately the same length.
- fictitiously — created, taken, or assumed for the sake of concealment; not genuine; false: fictitious names.
- fifth column — a group of people who act traitorously and subversively out of a secret sympathy with an enemy of their country.
- fifty-fourth — next after the fifty-third; being the ordinal number for 54.
- fight it out — a battle or combat.
- finno-ugrian — pertaining to the Finns and the Ugrians.
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- firmer gouge — a narrow-bladed gouge similar in manner of use to a firmer chisel.
- first cousin — cousin (def 1).
- flagitiously — In a flagitious manner.
- flammiferous — flame-producing
- flammulation — a small flame-shaped marking, esp those seen on some birds
- flannelmouth — a person whose speech is thick, slow, or halting.
- flatterously — in a flatterous manner
- flesh colour — of a yellowish-pink to yellowish-grey colour roughly that of the skin of a white person
- flexuousness — The state or condition of being flexuous.
- flickermouse — Alternative form of flittermouse.
- flindermouse — (obsolete) A bat (the mammal).
- flittermouse — bat2 (def 1).
- float around — A rumour or idea that is floating around is often heard or talked about.
- flocculating — Present participle of flocculate.
- flocculation — to form into flocculent masses.
- floriculture — the cultivation of flowers or flowering plants, especially for ornamental purposes.
- flour beetle — any of several brown darkling beetles, especially of the genus Tribolium, that infest, breed in, feed on, and often pollute flour, stored grain, and other stored produce.
- flour shaker — a container, often with a perforated top, from which flour is shaken
- flour sifter — a container in which flour is sifted
- 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
- fluctuations — Plural form of fluctuation.
- fluidization — The act or process of fluidizing.
- 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.