13-letter words containing a, c, o, r, u
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autographical — Relating to, or used in, the process of autography.
- autoprojector — (theory) A self-applicable partial evaluator.
- autorickshaws — Plural form of autorickshaw.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- averruncation — the act of averting or turning away
- backgrounders — Plural form of backgrounder.
- backgrounding — Present participle of background.
- backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
- barcoo salute — a movement of the hand to brush flies away from the face
- bimolecularly — in a bimolecular fashion
- black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- bounce around — to spring back from a surface in a lively manner: The ball bounced off the wall.
- boundary scan — The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
- brachiosaurus — a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known
- brachypterous — having very short or incompletely developed wings
- braggadocious — boastful
- brassicaceous — belonging to the plant family Brassicaceae, an alternative name for the plant family Cruciferae.
- buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
- buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment
- cacodyl group — the univalent group (CH 3) 2 As−, derived from arsine.
- calcariferous — having a spur or spurs
- camphoraceous — similar to camphor
- canon regular — a clergyman of certain religious communities following a monastic rule
- cape coloured — (formerly, in South Africa) a racial classification under apartheid for people of mixed ethnic origin
- carbon tissue — a sheet of paper coated with pigmented gelatine, used in the carbon process
- carbon-tissue — paper faced with a preparation of carbon or other material, used between two sheets of plain paper in order to reproduce on the lower sheet that which is written or typed on the upper.
- carboniferous — yielding coal or carbon
- carbonium ion — type of positively charged organic ion
- carbonneutral — pertaining to or having achieved a state in which the net amount of carbon dioxide or other carbon compounds emitted into the atmosphere is reduced to zero because it is balanced by actions to reduce or offset these emissions: Since the administration installed solar panels, the campus has become carbon neutral; a carbon-neutral brewery.
- carburization — Impregnation or reaction with carbon, especially in the manufacture of steel.
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- caribou inuit — a member of any of the Inuit peoples who formerly inhabited the Barren Lands of N Canada
- carillonneurs — Plural form of carillonneur.
- carnivorously — In a carnivorous manner.
- carotid sinus — specialized nerve end organs producing a slight dilatation of the carotid artery where it branches into the external and internal carotid arteries, responding to changes in blood pressure by mediating changes in the heartbeat rate.
- carrantuohill — a mountain in SW Republic of Ireland, in Macgillicuddy's Reeks in Kerry: the highest peak in Ireland. Height: 1041 m (3414 ft)
- carry through — If you carry something through, you do it or complete it, often in spite of difficulties.
- carte du jour — a menu listing dishes available on a particular day
- cartilaginous — of or like cartilage; gristly
- cartiliginous — Alternative form of cartilaginous.
- cash customer — a purchaser who pays cash rather than by check, credit card, or charge account.
- casual labour — people who are employed on a temporary, rather than a permanent or regular basis
- casual worker — a person who has temporary, as opposed to permanent or regular, employment
- caudine forks — a narrow pass in the Apennines, in S Italy, between Capua and Benevento: scene of the defeat of the Romans by the Samnites (321 bc)
- caulifloweret — an individual floret from a cauliflower
- cauterisation — Alt form cauterization.
- cauterization — to burn with a hot iron, electric current, fire, or a caustic, especially for curative purposes; treat with a cautery.