12-letter words containing a, p, r, i, o
- drop curtain — a curtain that is lowered into position from the flies.
- drop initial — inset initial.
- ectoparasite — an external parasite (opposed to endoparasite).
- ellipsograph — an instrument that draws ellipses
- emancipators — Plural form of emancipator.
- emancipatory — Of or pertaining to emancipation or to an emancipator.
- enantiomorph — Each of two crystalline or other geometric forms that are mirror images of each other.
- enantiotropy — the possibility for stable polymorphs to exist in different states on either side of a transition-point temperature
- endoparasite — A parasite, such as a tapeworm, that lives inside its host.
- entropically — By means of or in relation to entropy.
- epanorthosis — (rhetoric) A rhetorical device or element in which a speaker or writer retracts a word that has been spoken and substitutes a stronger or more suitable word; often done for emphasis or sarcasm.
- epistolarian — A writer of epistles.
- equiparation — the act of regarding as the same; the act of comparing
- equiprobable — (of two or more things ) equally likely to occur; having equal probability.
- eriskay pony — a breed of medium-sized pony, typically grey, with a dense waterproof coat. The Eriskay is the only surviving variety of the native ponies of the Western Isles of Scotland
- erythropenia — A decrease in the number of erythrocytes, associated with anemia.
- ethnographic — Relating to ethnography.
- euphorically — In a euphoric manner.
- eutrophicate — (ecology, intransitive) To become eutrophic.
- evaporations — Plural form of evaporation.
- exasperation — A feeling of intense irritation or annoyance.
- expansionary — (of a policy or action) intended to result in economic or political expansion.
- expatriation — Voluntary migration from one's native land to another.
- explorations — Plural form of exploration.
- expressional — Of or pertaining to expression, either in language, the face or the arts.
- exprobration — the act of reproaching
- exprobrative — signifying reproach, reproachful
- expropriated — Simple past tense and past participle of expropriate.
- expropriates — Third-person singular simple present indicative form of expropriate.
- 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.
- fire company — a company of firefighters.
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- 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.
- food pyramid — successive levels of predation in a food chain represented schematically as a pyramid because upper levels normally consist of decreasing numbers of larger predators.
- fore-topsail — a topsail set on a foremast on a ship.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- foretopsails — Plural form of foretopsail.
- 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
- francophilia — Alternative capitalization of Francophilia.
- francophobia — the phenomenon of hating French speakers, culture, or people
- fried potato — Fried potatoes are pieces of potato cooked in oil or fat.
- gaboon viper — a large, venomous snake, Bitis gabonica, of tropical African forests, having large retractable fangs and geometrically patterned scales of yellow, brown, and sometimes purple.
- garrison cap — overseas cap.
- gastroscopic — Of or pertaining to gastroscopy.
- geographical — of or relating to geography.
- georgia pine — longleaf pine.
- germanophile — a person who is friendly toward or admires or studies Germany or German culture.