12-letter words containing r, u, n, o
- effiguration — a detailed and elaborate description of something
- electro-funk — a type of electronic music, originating in the 1980s, characterized by the use of synthesizers with a heavy rhythm and punctuated bass, often influenced by the genres of funk and hip-hop
- electron gun — a heated cathode with an associated system of electrodes and coils for producing and focusing a beam of electrons, used esp in cathode-ray tubes
- electrotonus — the change in the state of irritability and conductivity of a nerve or muscle caused by the passage of an electric current
- ellenborough — Earl of, title of Edward Law. 1780–1871, British colonial administrator: governor general of India (1742–44)
- elocutionary — Of or pertaining to elocution or to public speaking; rhetorical.
- elucubration — the practice of elucubrating
- emolumentary — advantageous; tending towards emolument
- encountering — Present participle of encounter.
- encrustation — The action of encrusting or state of being encrusted.
- endeavouring — Present participle of endeavour.
- endovascular — Within a blood vessel.
- enormousness — Great size or magnitude.
- enterococcus — A streptococcus of a group that occurs naturally in the intestine but causes inflammation and blood infection if introduced elsewhere in the body (e.g., by injury or surgery).
- enteropneust — a worm-like marine invertebrate
- entry coupon — a coupon which you have to fill in with personal details and answers to be eligible to win a prize
- enumerations — Plural form of enumeration.
- equinumerous — having the same number of members
- equiparation — the act of regarding as the same; the act of comparing
- eurocentrism — Alternative capitalization of Eurocentrism.
- eurocurrency — the currency of any country held on deposit in Europe outside its home market: used as a source of short- or medium-term finance, esp in international trade, because of easy convertibility
- eurosterling — sterling as part of a European holding
- euroterminal — a railway terminus from which trans-European trains operate
- evolutionary — Of or relating to evolution.
- exclusionary — restrictive or elitist
- excruciation — Some excruciating pain.
- excursioning — Present participle of excursion.
- excursionist — A person who goes on excursions; a traveller or tourist.
- excursionize — to go on an excursion or excursions
- executioners — Plural form of executioner.
- extraneously — In an extraneous manner.
- exulceration — the process of ulceration
- fair housing — the sale and rental of private housing free of discriminatory practices or policies.
- fardel-bound — (of ruminants) having the food impacted in the third compartment of the stomach; costive; constipated.
- fast neutron — a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
- favouredness — the quality of or extent to which something is favoured
- ferroniobium — An important alloy of iron and niobium.
- finno-ugrian — pertaining to the Finns and the Ugrians.
- first cousin — cousin (def 1).
- flindermouse — (obsolete) A bat (the mammal).
- float around — A rumour or idea that is floating around is often heard or talked about.
- flourishment — The act or state of flourishing.
- flow country — an area of moorland and peat bogs in northern Scotland known for its wildlife, now partly afforested
- fluoranthene — (organic compound) A polycyclic aromatic hydrocarbon consisting of a benzene ring attached to each of the rings of a naphthalene molecule; it is carcinogenic, and is a product of incomplete combustion.
- fluoresceine — Alternative spelling of fluorescein.
- fluorescence — the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. Compare phosphorescence (def 1).
- fluorescents — Plural form of fluorescent.
- fluoridating — Present participle of fluoridate.
- fluoridation — the addition of fluorides to the public water supply to reduce the incidence of tooth decay.
- fluorinating — Present participle of fluorinate.