12-letter words containing p, e, t, i, o
- exopeptidase — any proteolytic enzyme, such as erepsin, that acts on the terminal bonds in a peptide chain
- exophthalmia — (medicine) The protrusion of the eyeball so that the eyelids will not cover it, in consequence of disease.
- exophthalmic — Having or characterized by protruding eyes.
- expansionist — Of or pertaining to expansionism.
- expatriation — Voluntary migration from one's native land to another.
- expectations — Plural form of expectation.
- expeditation — the act of expeditating a dog
- explanations — Plural form of explanation.
- explantation — The act of explanting.
- explications — Plural form of explication.
- exploitation — The action or fact of treating someone unfairly in order to benefit from their work.
- exploitative — In the nature of exploitation; acting to exploit someone or something.
- explorations — Plural form of exploration.
- exponentiate — (mathematics) To utilize exponentiation.
- export drive — a united effort to increase a country's exports
- expositional — Explained in clear terms, as in writing.
- 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.
- expugnations — Plural form of expugnation.
- exspoliation — (obsolete) spoliation.
- 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.
- 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.
- 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)
- 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
- 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-topsail — a topsail set on a foremast on a ship.
- foretopsails — Plural form of foretopsail.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- fosphenytoin — a prodrug that produces phenytoin and is taken to prevent or treat seizures.
- fountain pen — a pen with a refillable reservoir that provides a continuous supply of usually fluid ink to its point.
- four-striper — a captain in the U.S. Navy.
- freeing port — an opening in the bottom of a bulwark, for rapid drainage of a weather deck in heavy seas; scupper.
- fried potato — Fried potatoes are pieces of potato cooked in oil or fat.
- frontispiece — an illustrated leaf preceding the title page of a book.