12-letter words containing f, e, r, o, t
- factorisable — Alternative spelling of factorizable.
- factorizable — (mathematics, of an integer or polynomial etc) Able to be factorized.
- 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
- fast reactor — a nuclear reactor using little or no moderator, fission being caused by fast neutrons
- favorite son — (at a national political convention) a candidate nominated for office by delegates from his or her own state.
- feather shot — fine bean shot.
- 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.
- fenestration — the design and disposition of windows and other exterior openings of a building.
- fermentation — the act or process of fermenting.
- ferrite core — a ferrite magnetic core used in a core memory.
- festivalgoer — A person attending a festival.
- fetoproteins — Plural form of fetoprotein.
- fiber optics — the branch of optics that deals with the transmission of light through transparent fibers, as in the form of pulses for the transmission of data or communications, or through fiber bundles for the transmission of images.
- fiberization — the process or practice of breaking into fibres
- fibre optics — optical fibre
- fidel castro — Cipriano [sip-ree-ah-noh;; Spanish see-pree-ah-naw] /ˌsɪp riˈɑ noʊ;; Spanish ˌsi priˈɑ nɔ/ (Show IPA), 1858?–1924, Venezuelan military and political leader: president 1901–08; exiled 1908.
- field cornet — a commander of burgher troops called up in time of war or in an emergency, esp during the 19th century
- field ration — ration issued and authorized for troops in the field.
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- field theory — a detailed mathematical description of the distribution and movement of matter under the influence of one or more fields.
- fire control — technical and sometimes automatic supervision of artillery or naval gunfire on a target, as for range, elevation, etc.
- fire station — a building in which firefighting apparatus and usually fire department personnel are housed; firehouse.
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
- fitness room — a room with gym equipment in it
- flagellators — Plural form of flagellator.
- flagellatory — relating to flagellation
- flamethrower — a weapon, either mounted or portable, that sprays ignited incendiary fuel for some distance.
- flatterously — in a flatterous manner
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flittermouse — bat2 (def 1).
- float bridge — a bridge, as from a pier to a boat, floating at one end and hinged at the other to permit loading and unloading at any level of water.
- floor pocket — one of several metal boxes placed backstage in the floor (floor pocket) or wall of a theater and containing jacks for electric cables used in lighting units.
- floor trader — a member of a stock or commodity exchange who executes orders on the floor of the exchange for his or her own account.
- floor-length — extending to the floor: a floor-length skirt.
- 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 sifter — a container in which flour is sifted
- flourishment — The act or state of flourishing.
- flow pattern — The flow pattern is the way in which fluids move through a reactor.
- 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.
- fluorescents — Plural form of fluorescent.
- fluorimeters — Plural form of fluorimeter.
- fluorimetric — Alternative form of fluorometric.
- fluorometers — Plural form of fluorometer.
- fluorometric — Of, pertaining to, or measured using fluorometry.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- flutterboard — a kickboard.