12-letter words containing i, n, p, r, o
- diprionidian — (of a graptolite) with a row of cellules or serrations on both sides
- dipropellant — bipropellant.
- disapproving — Expressing an unfavorable opinion.
- disoperation — a relationship between two organisms in a community that is harmful to both
- dispensatory — a book in which the composition, preparation, and uses of medicinal substances are described; a nonofficial pharmacopoeia.
- disportments — to divert or amuse (oneself).
- dolphinarium — An aquarium in which dolphins are kept and trained for public entertainment.
- domino paper — a marbleized or figured decorative paper, used for wallpaper, end papers, etc., printed from wood blocks and colored by hand.
- doorstepping — talking to someone at the door of their home, for political canvassing or to gather information
- dopaminergic — activated by or sensitive to dopamine.
- dosing strip — (in New Zealand) an area set aside for treating dogs suspected of having hydatid disease
- drapetomania — (dated) an overwhelming urge to run away (from home, a bad situation, responsibility, etc.).
- drop curtain — a curtain that is lowered into position from the flies.
- drop forging — a product made by drop-forging
- drop initial — inset initial.
- 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
- endomorphism — changes in a cooling body of igneous rock brought about by assimilation of fragments of, or chemical reaction with, the surrounding country rock
- endoparasite — A parasite, such as a tapeworm, that lives inside its host.
- endoperoxide — one of the substances formed in the biosynthesis of prostaglandins
- enteroptosis — Visceroptosis of the intestines.
- 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
- 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.
- 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
- expromission — the act of (a creditor) accepting a new debtor as being responsible for the debt of another person
- extropianism — Belief in, or support for, the theory of extropy.
- fetoproteins — Plural form of fetoprotein.
- fire company — a company of firefighters.
- fireproofing — the act or process of rendering fireproof.
- 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)
- fisherperson — A fisherman or fisherwoman.
- fishing port — a town which has a lot of fishing boats
- 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
- flop forging — forging of both sides of a piece from the same die, the sides being identical.
- foetoprotein — Alternative spelling of fetoprotein.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.