b

phonetic symbol: / / 

b - English Dictionary

[ noun ]
■ aerobic rod-shaped spore-producing bacterium
■ often occurring in chainlike formations
■ found primarily in soil
bacillus

[ noun ]
■ the blood group whose red cells carry the B antigen
group b , type b

[ noun ]
■ the 2nd letter of the Roman alphabet

[ noun ]
■ (physics) a unit of nuclear cross section
■ the effective circular area that one particle presents to another as a target for an encounter
barn

[ noun ]
■ a logarithmic unit of sound intensity equal to 10 decibels
bel

[ noun ]
■ a trivalent metalloid element
■ occurs both in a hard black crystal and in the form of a yellow or brown powder
atomic number 5 , boron

[ noun ]
■ originally thought to be a single vitamin but now separated into several B vitamins
b-complex vitamin , b complex , b vitamin , vitamin b , vitamin b complex

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