Nouns

(n)bacillus, Baerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
(n)B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, Boriginally thought to be a single vitamin but now separated into several B vitamins
(n)boron, B, atomic number 5a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
(n)Bel, Ba logarithmic unit of sound intensity equal to 10 decibels
(n)B, bthe 2nd letter of the Roman alphabet
(n)B, type B, group Bthe blood group whose red cells carry the B antigen