15-letter words containing u, r, s, o
- beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
- bergius process — a method of hydrogenation formerly used with coal to produce an oil similar to petroleum.
- beurre noisette — a sauce of butter cooked until golden or nut brown, sometimes flavored with capers, vinegar, herbs, etc.
- bioastronautics — the study of the effects of space flight on living organisms
- biodestructible — biodegradable
- biscuit tortoni — an individual portion of tortoni, frozen and served in a small cup, often topped with ground almonds.
- blood corpuscle — one of the cells in the blood
- bloody butchers — a hardy plant, Trillium sessile, common from New York to Georgia and westward, having stalkless, purple or green flowers.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- booster cushion — an extra seat or cushion placed on an existing seat for a child to sit on in a car
- borough-english — (until 1925) a custom in certain English boroughs whereby the youngest son inherited land to the exclusion of his older brothers
- borscht circuit — summer resort hotels in the Catskills and White Mountains, where entertainment is provided for the guests
- bourbon biscuit — a rich chocolate-flavoured biscuit with a chocolate-cream filling
- boustrophedonic — of or relating to lines written in opposite directions
- bowstring truss — a structural truss consisting of a curved top chord meeting a bottom chord at each end.
- brachystomatous — having a short proboscis, as certain insects.
- branchiostegous — branchiostegal.
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- bronchial tubes — the bronchi or their smaller divisions
- brussels sprout — Brussels sprouts are vegetables that look like tiny cabbages.
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- buffer solution — a solution to which a salt of a weak acid or base has been added
- bughouse square — Informal. any intersection or park mall in a big city where political zealots, agitators, folk evangelists, etc., congregate to argue and make soapbox speeches.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bullnose header — bull header (def 1).
- bullnose-header — Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
- bullock's heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bullock's-heart — the large, edible fruit of a tropical American tree, Annona reticulata.
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- business person — Business people are people who work in business.
- 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 mushroom — Button mushrooms are small mushrooms used in cooking.
- calcareous clay — soil with high limestone content
- calcareous tufa — tufa
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- caprifoliaceous — of, relating to, or belonging to the Caprifoliaceae, a family of N temperate shrubs, small trees, and climbers including honeysuckle, elder, and guelder-rose
- carnivorousness — flesh-eating: A dog is a carnivorous animal.
- carpometacarpus — a bone in the wing of a bird that consists of the metacarpal bones and some of the carpal bones fused together
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cast around for — If you cast around for something or cast about for it, you try to find it or think of it.
- 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).
- casual labourer — a person who is employed on a temporary, rather than a permanent or regular basis
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- cerebrovascular — of or relating to the blood vessels and the blood supply of the brain
- 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.
- charles doughty — Charles Montagu [mon-tuh-gyoo] /ˈmɒn təˌgyu/ (Show IPA), 1843–1926, English traveler and writer.