VITAMIN B


Meaning of VITAMIN B in English

■ noun any of a group of substances essential for the working of certain enzymes in the body, including thiamine ( ~ 1 ), riboflavin ( ~ 2 ), pyridoxine ( ~ 6 ), and cyanocobalamin ( ~ 12 ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.