B
– definition :
– definition :
- (noun)
- aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil (context:animal)
- the blood group whose red cells carry the B antigen (context:body)
- the 2nd letter of the Roman alphabet (context:communication)
- (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter (context:quantity)
- a logarithmic unit of sound intensity equal to 10 decibels (context:quantity)
- a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder (context:substance)
- originally thought to be a single vitamin but now separated into several B vitamins (context:substance)
b