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Dictionary definition for the word "b"
b
(noun)
7 definitions 2: aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil [syn: Bacillus, Bacilli] 3: originally thought to be a single vitamin but now separated into several B vitamins [syn: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin] 4: a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder [syn: boron, atomic number 5] 5: a logarithmic unit of sound intensity equal to 10 decibels [syn: bel] 6: (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter [syn: barn] 7: the 2nd letter of the Roman alphabet |
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