Tag: b

b

B

– definition :

  • (noun)
    1. aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil (context:animal)
    2. the blood group whose red cells carry the B antigen (context:body)
    3. the 2nd letter of the Roman alphabet (context:communication)
    4. (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)
    5. a logarithmic unit of sound intensity equal to 10 decibels (context:quantity)
    6. a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder (context:substance)
    7. originally thought to be a single vitamin but now separated into several B vitamins (context:substance)

b