12-letter words containing p, r, o, s, t
- export house — a company that does not manufacture goods but is instead concerned solely with the financing or handling of their export
- expropriates — Third-person singular simple present indicative form of expropriate.
- extemporised — Simple past tense and past participle of extemporise.
- extemporizes — Third-person singular simple present indicative form of extemporize.
- extrapolates — Third-person singular simple present indicative form of extrapolate.
- extropianism — Belief in, or support for, the theory of extropy.
- 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
- fleet prison — (formerly) a London prison, esp used for holding debtors
- 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
- 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
- four-striper — a captain in the U.S. Navy.
- frontispiece — an illustrated leaf preceding the title page of a book.
- gametophores — Plural form of gametophore.
- gas-operated — (of a firearm) using some of the exhaust gases to operate the action.
- gastroplasty — any plastic surgery on the stomach.
- gastroscopes — Plural form of gastroscope.
- gastroscopic — Of or pertaining to gastroscopy.
- gentleperson — a person of good family and position; gentleman or lady.
- get to grips — to deal with (a problem or subject)
- ghost shrimp — a shrimplike crustacean of the genus Callianassa, of the Pacific coast of North America, having a pinkish, transparent body.
- gopher state — Minnesota (used as a nickname).
- gospel truth — an unquestionably true statement, fact, etc.
- gramophonist — a person who uses a gramophone
- graphologist — the study of handwriting, especially when regarded as an expression of the writer's character, personality, abilities, etc.
- grapple shot — a grapnellike projectile fired from a gun and used as a hold for the end of a line in rescue operations or in kedging.
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- gross output — the total output of a firm, industry, or economy without deducting intermediate costs
- gross profit — gross receipts less the cost of goods or production but before the deduction of such other costs as rent or salaries.
- heartstopper — something so frightening or emotionally gripping as to make one's heart seem to stop beating: We didn't crash, but it was a heartstopper.
- heliotropism — heliotropic tendency or growth.
- heptahedrons — Plural form of heptahedron.
- hernioplasty — an operation for the repair of a hernia.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heterosphere — The upper part of the atmosphere, above about sixty miles, in which there is great variation in its composition.
- heterotopias — Plural form of heterotopia.