13-letter words containing a, c, u, r, s
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autorickshaws — Plural form of autorickshaw.
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- back pressure — the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
- backgrounders — Plural form of backgrounder.
- balsam spruce — either of two North American coniferous trees of the genus Picea, P. pungens (the blue spruce) or P. engelmanni
- bancassurance — the selling of insurance products by a bank to its customers
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- barcoo salute — a movement of the hand to brush flies away from the face
- barrel cactus — any of several large, cylindrical, ribbed, spiny cacti of the genera Echinocactus and Ferocactus.
- battlecruiser — A large warship of a type built in the early 20th century, carrying similar armament to a battleship but faster and more lightly armored.
- bell purchase — a tackle consisting of two standing single blocks, two running single blocks, a fall, and a runner, so arranged that it gives a mechanical advantage of six, neglecting friction.
- biculturalism — the characteristics, or policy, of a two-cultured society
- biscuit bread — biscuits or a biscuit: I like biscuit bread more than corn bread for supper.
- black mustard — a Eurasian plant, Brassica (or Sinapsis) nigra, with clusters of yellow flowers and pungent seeds from which the condiment mustard is made: family Brassicaceae (crucifers)
- black russian — a drink made from one part coffee liqueur and two parts vodka, served over ice.
- blast furnace — A blast furnace is a large structure in which iron ore is heated under pressure so that it melts and the pure iron metal separates out and can be collected.
- 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
- 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.
- brussels lace — a fine lace with a raised or appliqué design
- buccaneerings — the characteristic actions of a buccaneer
- buck sergeant — a newly promoted sergeant
- bureaucratese — wordy, jargon-filled, overcomplicated language considered typical of bureaucrats
- bureaucratism — an official of a bureaucracy.
- bureaucratist — a believer in bureaucracy
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- business card — A person's business card or their card is a small card which they give to other people, and which has their name and details of their job and company printed on it.
- 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
- butcher's saw — a type of hacksaw used especially by butchers for cutting through meat and bones.
- cabin cruiser — A cabin cruiser is a motor boat which has a cabin for people to live or sleep in.
- cafe curtains — short, straight curtains, esp. for covering the lower part of a window, hung from a rod by means of sliding rings
- calcariferous — having a spur or spurs
- camphoraceous — similar to camphor
- candlesnuffer — an implement, or person, that extinguishes candle flames
- cantus firmus — an existing melody used as the basis for a new polyphonic composition
- capsule range — a small range of clothes by a particular designer, intended to be representative of the full range
- car insurance — financial protection against loss as a result of an automobile accident or theft
- 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
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- carillonneurs — Plural form of carillonneur.
- carnivalesque — characteristic of, suitable for, or like a carnival
- 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.