12-Letter Words Starting With B

Here's the list of all the 679 12-Letter Words Starting With B in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
bibliography
1. a list of writings with time and place of publication (such as the writings of a single author or the works referred to in preparing a document etc.)
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broadcasting
1. a medium that disseminates via telecommunications
2. taking part in a radio or tv program
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biodiversity
1. the diversity of plant and animal life in a particular habitat (or in the world as a whole)
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biochemistry
1. the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry
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breakthrough
1. a productive insight
2. making an important discovery
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biographical
1. of or relating to or being biography
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biosynthesis
1. production of a chemical compound by a living organism
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breathtaking
1. tending to cause suspension of regular breathing
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bodybuilding
1. exercise that builds muscles through tension
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bureaucratic
1. of or relating to or resembling a bureaucrat or bureaucracy
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bachelorette
1. a young unmarried woman who lives alone
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biologically
1. with respect to biology
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battleground
1. a region where a battle is being (or has been) fought
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bicentennial
1. of or relating to or completing a period of 200 years
2. the 200th anniversary (or the celebration of it)
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breaststroke
1. swim with the face down and extend the arms forward and outward while kicking with the leg
2. a swimming stroke; the arms are extended together in front of the head and swept back on either side accompanied by a frog kick
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beneficially
1. in a beneficial manner
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brainwashing
1. forcible indoctrination into a new set of attitudes and beliefs
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bacteriology
1. the branch of medical science that studies bacteria in relation to disease
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backgrounder
1. a press conference or interview in which a government official explains to reporters the background of an action or policy
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butterscotch
1. a hard brittle candy made with butter and brown sugar
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biogeography
1. dealing with the geographical distribution of animals and plants
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bilingualism
1. the ability to speak two languages colloquially
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bloodthirsty
1. marked by eagerness to resort to violence and bloodshed
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biosynthetic
1. of or relating to biosynthesis
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bewilderment
1. confusion resulting from failure to understand
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backlighting
1. lighting from behind
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bactericidal
1. preventing infection by inhibiting the growth or action of microorganisms
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breathlessly
1. in a breathless manner
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bullfighting
1. the activity at a bullfight
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breathalyzer
1. a device that measures chemicals (especially the alcohol content) in a person's expired breath
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borosilicate
1. a salt of boric and silicic acids
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backwardness
1. lack of normal development of intellectual capacities
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12-Letter Words Starting With B