15-letter words containing o, m, u
- badminton court — the court on which games of badminton are played
- ball ammunition — live small-arms ammunition
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- beam-power tube — a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
- beat one's gums — to talk much and idly
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- bioluminescence — the production of light by living organisms as a result of the oxidation of a light-producing substance (luciferin) by the enzyme luciferase: occurs in many marine organisms, insects such as the firefly, etc
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- blasphemousness — the quality of being blasphemous
- blueback salmon — sockeye salmon.
- boom-bust cycle — A boom-bust cycle is a series of events in which a rapid increase in business activity in the economy is followed by a rapid decrease in business activity, and this process is repeated again and again.
- bottom-up model — (programming) A method for estimating the cost of a complete software project by combining estimates for each component.
- botulinum toxin — a pharmaceutical formulation of botulin used in minute doses to treat various forms of muscle spasm and for the cosmetic removal of wrinkles
- bouillotte lamp — a table lamp of the 18th century, having two or three adjustable candle brackets and a common shade sliding on a central shaft.
- brachystomatous — having a short proboscis, as certain insects.
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bum someone off — to disappoint, annoy, or upset someone
- bum someone out — to upset, distress, annoy, depress, bore, etc. someone
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- butcher's-broom — a liliaceous evergreen shrub, Ruscus aculeatus, that has stiff prickle-tipped flattened green stems, which resemble and function as true leaves. The plant was formerly used for making brooms
- button mangrove — a tropical tree, Conocarpus erectus, having small, reddish, conelike fruits and bark used in tanning.
- button mushroom — Button mushrooms are small mushrooms used in cooking.
- calcium blocker — any of a group of drugs that prevent the influx of calcium into excitable tissues such as smooth muscle of the heart or arterioles, used in the treatment of angina, hypertension, and certain arrhythmias.
- calcium oxalate — a white, crystalline powder, CaC 2 O 4 , insoluble in water, used in making oxalic acid.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- campaign button — a disk-shaped pin worn by a supporter of a political candidate, usually bearing the name of the candidate and often a slogan or the candidate's picture.
- capitulationism — advocacy or approval of capitulation.
- cardinal humour — any of the four bodily fluids (blood, phlegm, choler or yellow bile, melancholy or black bile) formerly thought to determine emotional and physical disposition
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- cat-o'-mountain — catamountain
- ceremoniousness — The state of being ceremonious.
- chamber counsel — a counsel who advises in private and does not plead in court
- chanson d'amour — love song.
- charles coulomb — Charles Augustin de [sharl oh-gy-stan duh] /ʃarl oʊ güˈstɛ̃ də/ (Show IPA), 1736–1806, French physicist and inventor.
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chaulmoogra oil — a brownish-yellow oil or soft fat expressed from the seeds of a chaulmoogra tree, used formerly in the treatment of leprosy and skin diseases.
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chenopodium oil — a colorless or yellowish oil obtained from the seeds and leaves of Mexican tea, used chiefly in medicine as an agent for killing or expelling intestinal worms.
- chromium-plated — having been plated with chromium