13-letter words containing l, u, b, r
- black vulture — the Eurasian vulture, Aegypius monachus, of the family Accipitridae
- 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
- bloodcurdling — terrifying; horrifying
- 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.
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- blue rockfish — a bluish-black rockfish, Sebastodes mystinus, inhabiting Pacific coastal waters of North America.
- 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.
- bodily injury — The bodily injury section of a liability insurance policy usually covers hospital bills for the injured parties as well as related expenses such as rehabilitation, medicines, and lost income.
- body brussels — a carpet made with three-ply or four-ply worsted yarn drawn up in uncut loops to form a pattern over the entire surface (body Brussels) or made of worsted or woolen yarns on which a pattern is printed (tapestry Brussels)
- bolt up right — a movable bar or rod that when slid into a socket fastens a door, gate, etc.
- bonded labour — a system in which a person provides labour in order to pay off debts
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- bottled fruit — fruit preserved in glass jars
- boundary line — a line marking one of the edges of a playing area
- 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.
- broiler house — a building in which broiler chickens are reared in confined conditions
- brussels lace — a fine lace with a raised or appliqué design
- brutalization — to make brutal.
- bubble memory — a method of storing high volumes of data by the use of minute pockets of magnetism (bubbles) in a semiconducting material. The bubbles may be caused to migrate past a read head or to a buffer area for storage
- bucket ladder — a series of buckets that move in a continuous chain, used to dredge riverbeds, etc, or to excavate land
- buffalo berry — a shrub (genus Shepherdia) of the oleaster family, native to W North America, with silvery leaves
- buffalo grass — a short grass, Buchloë dactyloides, growing on the dry plains of the central US
- buffalo grove — a city in NE Illinois.
- build bridges — to promote reconciliation or cooperation between hostile groups or people
- 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.
- bullace grape — the thick-skinned musk-scented purple grape produced by this plant: used to make wine
- bullhead rail — a rail having a cross section with a bulbous top and bottom, the top being larger
- bully for you — well done! bravo!
- bully-ragging — to bully; harass: to bullyrag fraternity plebs.
- bulwer-lytton — Edward George Earle Lytton1st Baron Lytton of Knebworth 1803-73; Eng. novelist & playwright: father of Edward Robert Bulwer-Lytton
- bumble around — When someone bumbles around or bumbles about, they behave in a confused, disorganized way, making mistakes and usually not achieving anything.
- burgess shale — a bed of Cambrian sedimentary rock in the Rocky Mountains in British Columbia containing many unique invertebrate fossils
- burglar alarm — A burglar alarm is an electric device that makes a bell ring loudly if someone tries to enter a building by force.
- burglar-proof — designed to be secure and to frustrate any attempted burglary
- burglariously — in the manner of a burglar or buglary
- burial ground — A burial ground is a place where bodies are buried, especially an ancient place.
- burmese glass — an American art glass of the late 19th century, ranging from greenish-yellow to pink.
- burnham scale — the salary scale for teachers in English state schools, which is revised periodically
- burning glass — a convex lens for concentrating the sun's rays into a small area to produce heat or fire
- burrowing owl — a ground owl (Athene cunicularia) of the prairie regions of North and South America having long legs and a small head: it makes its nest in abandoned burrows
- busheled iron — heterogeneous iron made from scrap iron and steel.
- bustard quail — button quail.