15-letter words containing r, s, n, o
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bristol fashion — clean and neat, with newly painted and scrubbed surfaces, brass polished, etc
- british council — an organization founded (1934) to extend the influence of British culture and education throughout the world
- brocken specter — an optical phenomenon sometimes occurring at high altitudes when the image of an observer placed between the sun and a cloud is projected on the cloud as a greatly magnified shadow.
- bronchial tubes — the bronchi or their smaller divisions
- bronze diabetes — hemochromatosis.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- brown-and-serve — requiring only a brief period of browning, as in an oven, before being ready to serve: brown-and-serve rolls.
- brownfield site — a disused site envisaged for redevelopment
- buffer solution — a solution to which a salt of a weak acid or base has been added
- 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.
- 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.
- button mushroom — Button mushrooms are small mushrooms used in cooking.
- caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
- cairngorm-stone — smoky quartz.
- california rose — a cultivated variety of a bindweed, Calystegia hederacea, having showy, double, rose-colored flowers.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- canadian forces — the official name for the military forces of Canada
- canisterization — the process of putting (something) into a canister or canisters
- car transporter — a vehicle for carrying automobiles
- carcinosarcomas — Plural form of carcinosarcoma.
- cardinal points — the four main points of the compass: north, south, east, and west
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- carnivorousness — flesh-eating: A dog is a carnivorous animal.
- carry one's bat — (of an opening batsman) to reach the end of an innings without being dismissed
- 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.
- cartier-bresson — Henri (ɑ̃ri). 1908–2004, French photographer
- case conference — a meeting at which all the parties involved in a medical, legal, or social work case come together to discuss it
- cast around for — If you cast around for something or cast about for it, you try to find it or think of it.
- cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
- cast-iron plant — any of several plants belonging to the genus Aspidistra, of the lily family, native to eastern Asia, especially A. eliator, having large evergreen leaves often striped with white, and grown as a houseplant.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- castner process — a process for extracting sodium from sodium hydroxide, devised by Hamilton Young Castner (1858–98)
- castrametations — Plural form of castrametation.
- catastrophising — Present participle of catastrophise.
- catastrophizing — Present participle of catastrophize.
- categoricalness — The quality of being categorical, positive, or absolute.
- categorisations — Plural form of categorisation.
- categorizations — Plural form of categorization.
- catheterisation — Alternative spelling of catheterization.
- cell disruption — Cell disruption is when a biological material becomes smaller to release proteins and enzymes.
- centrosymmetric — having symmetry with a central point
- ceremoniousness — The state of being ceremonious.
- chairpersonship — a person who presides over a meeting, committee, board, etc.
- chamber counsel — a counsel who advises in private and does not plead in court
- chanson d'amour — love song.
- charles simonyi — (person) Microsoft programmer, most famously responsible for Hungarian Notation. Simonyi was born in Budapest in 1948, and for more than a decade was senior programmer at Microsoft in Redmond.