12-letter words containing m, o, i, r
- eurocentrism — Alternative capitalization of Eurocentrism.
- euroterminal — a railway terminus from which trans-European trains operate
- everblooming — (of a plant) blooming repeatedly during the growing season
- expromission — the act of (a creditor) accepting a new debtor as being responsible for the debt of another person
- 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.
- exterminator — Someone or something that exterminates.
- 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.
- family court — court of domestic relations.
- fermentation — the act or process of fermenting.
- ferroniobium — An important alloy of iron and niobium.
- fibrilliform — of the form of a fibril.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- fibromatosis — (pathology) The presence of multiple fibromas.
- fibromyalgia — a syndrome characterized by fatigue and chronic pain in the muscles and in tissues surrounding the joints.
- fibrosarcoma — a sarcoma derived from fibroblast cells, often able to generate collagen.
- fig marigold — any of various plants of the genus Mesembryanthemum, having showy flowers of white, yellow, or pink.
- fire company — a company of firefighters.
- firmer gouge — a narrow-bladed gouge similar in manner of use to a firmer chisel.
- fishing worm — an earthworm.
- fishmonger's — a shop that sells fish
- fitness room — a room with gym equipment in it
- fitting room — a room, as in a clothing store, where garments are tried on and measurements taken for alterations or other changes.
- flabelliform — Shaped like a fan; flabellate.
- flagelliform — long, slender, and flexible, like the lash of a whip.
- flammiferous — flame-producing
- flickermouse — Alternative form of flittermouse.
- flindermouse — (obsolete) A bat (the mammal).
- flittermouse — bat2 (def 1).
- florida moss — Spanish moss.
- florida room — a sunroom.
- flourishment — The act or state of flourishing.
- fluorimeters — Plural form of fluorimeter.
- fluorimetric — Alternative form of fluorometric.
- fluorometric — Of, pertaining to, or measured using fluorometry.
- fluviomarine — of or formed by the combined action of river and sea.
- 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.
- for all time — forever, for eternity
- foraminifera — any chiefly marine protozoan of the sarcodinian order Foraminifera, typically having a linear, spiral, or concentric shell perforated by small holes or pores through which pseudopodia extend.
- foreadmonish — (rare, transitive) To admonish beforehand, or before the act or event.
- foreman-ship — a person in charge of a particular department, group of workers, etc., as in a factory or the like.
- form-fitting — Form-fitting clothes fit very closely to the body of the person who is wearing them. Form-fitting is usually used to describe clothes worn by women.
- formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions.
- formalizable — Capable of being formalized.
- former pupil — someone who used to attend a particular school or be a student of a particular teacher
- formula milk — An artificial substitute for breast milk intended for feeding infants. It can come in powdered form to be mixed with water or in instant liquid form.
- formula unit — (of an ionic compound that does not form molecules, as most salts) the chemical formula with the least number of elements out of the set of empirical formulas having the same proportion of ions as elements: NaCl is the formula unit for the ionic compound sodium chloride.