12-letter words containing t, r, o, p
- expectorants — Plural form of expectorant.
- expectorated — Simple past tense and past participle of expectorate.
- explorations — Plural form of exploration.
- export agent — an person who acts on behalf of a business to develop a market for a product or service in a foreign country
- export drive — a united effort to increase a country's exports
- export house — a company that does not manufacture goods but is instead concerned solely with the financing or handling of their export
- export trade — the area of business or industry concerned with the export of goods or services
- exprobration — the act of reproaching
- exprobrative — signifying reproach, reproachful
- exprobratory — acting as a reproach
- expropriated — Simple past tense and past participle of expropriate.
- expropriates — Third-person singular simple present indicative form of expropriate.
- extemporally — In an extemporal manner.
- extemporised — Simple past tense and past participle of extemporise.
- extemporized — Simple past tense and past participle of extemporize.
- extemporizer — One who extemporizes.
- extemporizes — Third-person singular simple present indicative form of extemporize.
- exteroceptor — A sensory receptor that receives external stimuli.
- extrapolated — Simple past tense and past participle of extrapolate.
- extrapolates — Third-person singular simple present indicative form of extrapolate.
- extremophile — A microorganism, especially an archaean, that lives in conditions of extreme temperature, acidity, alkalinity, or chemical concentration.
- extropianism — Belief in, or support for, the theory of extropy.
- factor group — quotient group.
- factory ship — a whaling ship equipped to process killed whales and to transport the oil and by-products.
- 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.
- fibre optics — optical fibre
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- 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)
- fishing port — a town which has a lot of fishing boats
- 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
- 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.
- flow pattern — The flow pattern is the way in which fluids move through a reactor.
- 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.
- foetoprotein — Alternative spelling of fetoprotein.
- fore-topmast — the spar or section of a pole mast serving as the topmast of a foremast on a ship.
- fore-topsail — a topsail set on a foremast on a ship.
- foretopmasts — Plural form of foretopmast.
- foretopsails — Plural form of foretopsail.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fort pulaski — Count Casimir [kaz-uh-meer] /ˈkæz əˌmɪər/ (Show IPA), 1748–79, Polish patriot; general in the American Revolutionary army.
- fortepianist — the player of a fortepiano
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- fortran-plus — Fortran for the DAP parallel machine, implements many Fortran 90 features.
- forward post — the position held by a soldier on the forward line
- foundry type — type cast in individual characters for setting by hand.
- four-striper — a captain in the U.S. Navy.
- fractography — the study of fractures or cracks in a material, esp metal, in order to predict or identify the cause of a failure in a structure