15-letter words containing c, a, l, u
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- architecturally — of or relating to architecture: architectural metals.
- artificial turf — any of various synthetic, carpetlike materials made to resemble turf and used as a playing surface for football and baseball fields, to cover patios, etc.
- asclepiadaceous — of, relating to, or belonging to the Asclepiadaceae, a family of mostly tropical and subtropical flowering plants, including the milkweed and swallowwort, having pollen in the form of a waxy mass (pollinium): now usually regarded as a subfamily of the Apocynaceae
- astronautically — In an astronautic way.
- at full stretch — If you are at full stretch, your arm is straight and extended as far as possible, usually because you are trying to reach something that is almost too far away.
- atlantic puffin — any of several alcidine sea birds of the genera Fratercula and Lunda, having a short neck and a large, compressed, grooved bill, as F. arctica (Atlantic puffin) of the North Atlantic.
- audience appeal — the quality of being attractive to an audience
- authenticatable — to establish as genuine.
- autocannibalism — The eating of part of one's own body.
- autocollimation — the process used in an autocollimator.
- autocorrelation — the condition occurring when successive items in a series are correlated so that their covariance is not zero and they are not independent
- autocorrelative — Relating to autocorrelation.
- autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
- autoinoculation — the inoculation of microorganisms (esp viruses) from one part of the body into another, usually in the form of a vaccine
- automatic pilot — An automatic pilot or an autopilot is a device in an aircraft that automatically keeps it on a particular course.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- automorphically — in an automorphic manner
- autotrophically — through an autotrophic process
- balanced rudder — a rudder so designed that the center of water pressure on the forward face, when turned, lies about halfway along the length, minimizing the turning effort required.
- banana republic — Small, poor countries that are politically unstable are sometimes referred to as banana republics.
- 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.
- bateau neckline — a wide, high neckline that follows the curve of the collarbone and ends in points on the shoulder seams.
- bear animalcule — tardigrade (def 3).
- bioaccumulation — the process in which industrial waste, toxic chemicals, etc. gradually accumulate in living tissue
- bishop auckland — a town in N England, in central Durham: seat of the bishops of Durham since the 12th century: light industries. Pop: 24 764 (2001)
- 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 horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- 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)
- blackberry bush — a bush on which blackberries grow
- blockade runner — a person, ship etc that tries to carry goods through a blockade
- blockade-runner — a ship or person that passes through a blockade.
- blue cattle dog — an Australian breed of dog with a bluish coat, developed for herding cattle
- blueback salmon — sockeye salmon.
- brachial plexus — a network of nerves in the armpits and neck, innervating the shoulders, arms, and hands.
- branchial pouch — one of a series of rudimentary outcroppings of the inner pharyngeal wall, corresponding to the branchial grooves on the surface.
- branching rules — rules that are used to break down a complex problem into several smaller problems
- bronchial tubes — the bronchi or their smaller divisions
- brussels carpet — a worsted carpet with a heavy pile formed by uncut loops of wool on a linen warp
- bucket elevator — a chain of buckets for raising liquids or materials to a higher level
- buffalo currant — an ornamental shrub, Ribes odoratum, of the central U.S., having showy, drooping clusters of fragrant yellow flowers and edible black fruit.
- 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.
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- business casual — a style of casual clothing worn by businesspeople at work instead of more formal attire
- butterfly chair — a lightweight chair consisting of a piece of canvas, leather, etc. slung from a framework of metal bars
- by all accounts — according to everyone
- cabbage lettuce — any of several varieties of lettuce that have roundish flattened heads resembling cabbages
- cache la poudre — a river in N Colorado, flowing N and E to the South Platte River. 126 miles (203 km) long.