13-letter words containing b, u, t, l
- black quarter — blackleg (def 1).
- black studies — a program of studies in black history and culture offered by a school or college, often including Afro-American history and black literature.
- black vulture — the Eurasian vulture, Aegypius monachus, of the family Accipitridae
- blaenau gwent — a county borough of SE Wales, created in 1996 from NW Gwent. Administrative centre: Ebbw Vale. Pop: 68 900 (2003 est). Area: 109 sq km (42 sq miles)
- blame culture — the tendency to look for one person or organization that can be held responsible for a bad state of affairs, an accident, etc
- 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.
- blood product — a pharmaceutical product made from blood, such as Factor VIII
- blue asbestos — a common name for the mineral crocidolite, a variety of asbestos found in Africa and Australia
- blue verditer — either of two pigments, consisting usually of carbonate of copper prepared by grinding either azurite (blue verditer) or malachite (green verditer)
- blue whistler — blue norther.
- bolt up right — a movable bar or rod that when slid into a socket fastens a door, gate, etc.
- bottled fruit — fruit preserved in glass jars
- bouncy castle — A bouncy castle is a large object filled with air, often in the shape of a castle, which children play on at a fairground or other outdoor event.
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- brilliant cut — a cut for gems
- brilliant-cut — a cut intended to enhance the brilliance of a gem with the least possible sacrifice of weight, characterized by a form resembling two pyramids set base to base, truncated so as to give a broad table and a very small culet, and having from 18 to 104 facets, 58 being typical.
- bristle brush — a brush made with animal bristles
- brittany blue — a medium greenish blue.
- brutalization — to make brutal.
- bucket ladder — a series of buckets that move in a continuous chain, used to dredge riverbeds, etc, or to excavate land
- buffalo cloth — a heavyweight woolen fabric constructed in twill weave and having a shaggy pile.
- building plot — a piece of land on which a house can be built
- building site — A building site is an area of land on which a building or a group of buildings is in the process of being built or altered.
- built-up mast — a wooden mast formed of several shaped, longitudinal pieces joined together.
- built-up roof — a usually flat or slightly sloped roof that is covered with a special material applied in sealed, waterproof layers.
- bulbourethral — of or relating to the rounded mass of tissue surrounding the urethra at the root of the penis.
- bulk settling — Bulk settling is a process in which two liquids, or a solid and a liquid, of different densities are allowed to separate by gravity.
- bull elephant — an adult male elephant
- bullet-headed — with a head shaped like a bullet
- bulwer-lytton — Edward George Earle Lytton1st Baron Lytton of Knebworth 1803-73; Eng. novelist & playwright: father of Edward Robert Bulwer-Lytton
- bundle sheath — a layer of cells in plant leaves and stems that surrounds a vascular bundle.
- bustard quail — button quail.
- bustard-quail — any of several birds of the family Turnicidae, of warmer parts of the Old World, resembling but not related to the true quail. Also called bustard quail, hemipode.
- 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 block — designating or of a thick slab made by gluing together strips of hardwood, as maple or oak, used for counter and table tops, etc.
- butcher linen — a strong, heavy fabric made of rayon or rayon and cotton with a linen finish, constructed in plain weave.
- butler's tray — a tray resting on or attached to an X-shaped, often folding stand, on which are kept drink bottles and glasses
- butter cooler — an earthenware container, consisting of a dish and cover, used to keep butter cool
- butter muslin — a fine loosely woven cotton material originally used for wrapping butter
- butterfly net — a lightweight, fine net on the end of a pole used for catching butterflies
- butterfly nut — wing nut.
- butterfly pea — any of several leguminous plants of the genus Clitoria, as C. mariana, of North America, having pale-blue flowers.
- butterflyfish — any small tropical marine percoid fish of the genera Chaetodon, Chelmon, etc, that has a deep flattened brightly coloured or strikingly marked body and brushlike teeth: family Chaetodontidae
- butyl acetate — a colourless liquid with a fruity odour, existing in four isomeric forms. Three of the isomers are important solvents for cellulose lacquers. Formula: CH3COOC4H9
- butyl alcohol — any of four isomeric alcohols, C4H9OH, obtained from petroleum products: used as solvents and in organic synthesis
- butyl nitrite — a volatile liquid, C 4 H 9 NO 2 , the vapor of which can cause headache and vasodilation, used as an active ingredient in some household deodorizers, and misused by inhalation to prolong the sensation of orgasm.
- butyraldehyde — a colourless flammable pungent liquid used in the manufacture of resins. Formula: CH3(CH2)2CHO
- butyryl group — the univalent group C 4 H 7 O–.
- calculability — determinable by calculation; ascertainable: This map was designed so that distances by road are easily calculable.
- 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.