12-letter words containing b, a, l, k, o
- back catalog — A musical performer's back catalog is the music that they recorded and released in the past rather than their latest recordings.
- back molding — a molding, as a backband, applied to interior window and door trim to conceal the edge of the wall surface.
- backboneless — lacking backbone; cowardly
- backsolution — The process or result of backsolving.
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- bank holiday — A bank holiday is a public holiday.
- bank swallow — a swallow, Riparia riparia, of the Northern Hemisphere, that nests in tunnels dug in sand or clay banks.
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black canyon — a canyon of the Colorado River between Arizona and Nevada: site of Boulder Dam.
- black coffee — coffee with no milk, milk substitute, or cream added
- black cohosh — a plant of the ranunculaceous family, Cimicifuga racemosa, which is used as a natural alternative to hormone replacement therapy
- black comedy — a comedy dealing with an unpleasant situation in a pessimistic or macabre manner
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black cosmos — a garden plant, Cosmos diversifolius, of Mexico, having small, dahlialike tubers and solitary flower heads with red disk flowers and velvety, dark-red or purplish ray flowers.
- black forest — wooded mountain region in SW Germany
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black poplar — a Eurasian tree, Populus nigra
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black tongue — canine pellagra.
- black-coated — (esp formerly) (of a worker) clerical or professional, as distinguished from commercial or industrial
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blanket toss — a game in which a person is repeatedly tossed into the air and caught on an open blanket by a group of people who hold the blanket at its edges and stretch and relax it for each toss and catch.
- block caving — a method of mining a large block of ore by systematically undercutting so the ore will cave. Compare cave (def 5a).
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block island — an island off the coast of and a part of Rhode Island, at the E entrance to Long Island Sound.
- block signal — a fixed railroad signal governing the movements of trains entering and using a given section of track.
- boating lake — a lake in a park where rowing boats can be hired
- boilermaking — metal-working in heavy industry; plating or welding
- booklet pane — Philately. any of a number of panes or small pages of postage stamps, stapled together into a booklet for the convenience of users.
- brooks's law — (programming) "Adding manpower to a late software project makes it later" - a result of the fact that the expected advantage from splitting work among N programmers is O(N) (that is, proportional to N), but the complexity and communications cost associated with coordinating and then merging their work is O(N^2) (that is, proportional to the square of N). The quote is from Fred Brooks, a manager of IBM's OS/360 project and author of "The Mythical Man-Month". The myth in question has been most tersely expressed as "Programmer time is fungible" and Brooks established conclusively that it is not. Hackers have never forgotten his advice; too often, management still does. See also creationism, second-system effect, optimism.
- brown hackle — an artificial fly having a peacock herl body, golden tag and tail, and brown hackle.
- bullock cart — a cart pulled by one or two bullocks
- carbon black — a black finely divided form of amorphous carbon produced by incomplete combustion of natural gas or petroleum: used to reinforce rubber and in the manufacture of pigments and ink
- cavity block — a precast concrete block that contains a cavity or cavities
- cocktail bar — a bar which serves cocktails
- dak bungalow — (in India, formerly) a house where travellers on a dak route could be accommodated
- dasher block — a block at the end of a yard or gaff for supporting a signal or ensign halyard.
- double track — two railways side by side, typically for traffic in two directions
- duke of alba — Duke of, Alva, Fernando Alvarez de Toledo.
- fall back on — to drop or descend under the force of gravity, as to a lower place through loss or lack of support.
- go walkabout — to wander through the bush
- gondola back — a chair or couch back curving forward and downward to form arms.
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