12-letter words containing r, u, n, l
- dreamfulness — the quality of being full of dreams
- drilling mud — a water-based or oil-based suspension of clays pumped into an oil well during drilling in order to seal off porous rock layers, equalize the pressure, cool the bit, and flush out the cuttings.
- dry puddling — puddling in a furnace with a bottom of sand.
- dual-control — having dual controls
- ductile iron — any of various cast irons strengthened by having the graphite content in the form of nodules rather than flakes, and containing cerium or magnesium as well as other additives.
- eau minerale — mineral water (def 1).
- edulcorating — Present participle of edulcorate.
- edulcoration — (rare) A sweetening.
- 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
- enculturated — Simple past tense and past participle of enculturate.
- endovascular — Within a blood vessel.
- endurability — The state or quality of being endurable.
- entablatures — Plural form of entablature.
- equalitarian — Characterized by social equality and equal rights for all people.
- equigranular — (petrology) Composed chiefly of grains of similar size.
- equilibrants — Plural form of equilibrant.
- 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
- extraneously — In an extraneous manner.
- extranuclear — situated or occurring in part of a cell outside the nucleus
- exulceration — the process of ulceration
- fardel-bound — (of ruminants) having the food impacted in the third compartment of the stomach; costive; constipated.
- fault-finder — a person who habitually finds fault, complains, or objects, especially in a petty way.
- fenfluramine — a sympathomimetic substance, C 12 H 16 F 3 N, formerly used mainly as an anorectic in the treatment of obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- fiber bundle — a flexible bundle of optical glass that transmits images.
- flight nurse — a nurse in the U.S. Air Force who tends patients being transported by airplane.
- 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.
- fluorination — (chemistry) The introduction of fluorine into a compound by means of a chemical reaction.
- fluorocarbon — any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential; banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- fluviomarine — of or formed by the combined action of river and sea.
- flying lemur — either of two lemurlike mammals, Cynocephalus variegatus, of southeastern Asia and the East Indies, or C. volans, of the Philippines, having broad folds of skin on both sides of the body to aid in gliding from tree to tree: now rare.