12-letter words containing p, e, t, r, o
- entoplastral — relating to an entoplastron
- entoplastron — the median plate of a turtle's plastron
- entropically — By means of or in relation to entropy.
- entry coupon — a coupon which you have to fill in with personal details and answers to be eligible to win a prize
- 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
- ergastoplasm — endoplasm that is associated with protein synthesis
- erythropenia — A decrease in the number of erythrocytes, associated with anemia.
- escape route — way out: of situation
- ethnographer — One who practices ethnography.
- ethnographic — Relating to ethnography.
- eutrophicate — (ecology, intransitive) To become eutrophic.
- evaporations — Plural form of evaporation.
- exasperation — A feeling of intense irritation or annoyance.
- executorship — The office or position of an executor.
- expatriation — Voluntary migration from one's native land to another.
- 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.
- 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
- 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.