12-letter words containing o, p, t, i, s
- expositional — Explained in clear terms, as in writing.
- expropriates — Third-person singular simple present indicative form of expropriate.
- expugnations — Plural form of expugnation.
- exspoliation — (obsolete) spoliation.
- extemporised — Simple past tense and past participle of extemporise.
- extemporizes — Third-person singular simple present indicative form of extemporize.
- 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.
- feldspathoid — Also, feldspathoidal. of or relating to a group of minerals similar in chemical composition to certain feldspars except for a lower silica content.
- 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
- foam plastic — a kind of light cellular plastic made by creating bubbles of gas in the liquid material and solidifying it: often used as an insulator
- folsom point — a flint point characteristic of the Folsom tradition, typically leaf-shaped and fluted, with small basal extensions, and used on a projectile, as a spear, for hunting game.
- fore-topsail — a topsail set on a foremast on a ship.
- 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
- fosphenytoin — a prodrug that produces phenytoin and is taken to prevent or treat seizures.
- four-striper — a captain in the U.S. Navy.
- frontispiece — an illustrated leaf preceding the title page of a book.
- gaff topsail — Also called fore-and-aft topsail. a jib-headed fore-and-aft sail set above a gaff.
- gaff-topsail — Also called fore-and-aft topsail. a jib-headed fore-and-aft sail set above a gaff.
- gastroscopic — Of or pertaining to gastroscopy.
- geophysicist — the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism.
- 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.
- glossoptosis — (medicine) The abnormal downward displacement or retraction of the tongue.
- go to pieces — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
- 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.
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- gross profit — gross receipts less the cost of goods or production but before the deduction of such other costs as rent or salaries.
- gymnosophist — one of a group of Jainist philosophers, existing from ancient times to c1000, characterized by refusal to wear clothes and the abandonment of caste marks; a member of the Digambara sect.
- hanging post — a post from which a door, gate, etc., is hung.
- haptoglobins — Plural form of haptoglobin.
- heliotropism — heliotropic tendency or growth.
- hepatotoxins — Plural form of hepatotoxin.
- hernioplasty — an operation for the repair of a hernia.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heterotopias — Plural form of heterotopia.
- hippophagist — a person who eats horseflesh.
- hippopotamus — a large herbivorous mammal, Hippopotamus amphibius, having a thick hairless body, short legs, and a large head and muzzle, found in and near the rivers, lakes, etc., of Africa, and able to remain under water for a considerable time.
- histographic — a treatise on or description of organic tissues.