Group B

noun

Definition of Group B

  1. :  any of various strains of a streptococcus (Streptococcus agalactiae) that include the causative agents of certain infections (as pneumonia and meningitis) especially of newborn infants —usually used attributively <Group B streptococcal infections>

1965

First Known Use of group b

1965


Medical Dictionary

Group B

play
noun \-ˈbē\

Medical Definition of Group B

  1. :  the Lancefield group of usually beta-hemolytic streptococci that comprises all strains of a species of the genus Streptococcus (S. agalactiae) and that includes the causative agents of certain infections (as septicemia, pneumonia, and meningitis) especially of newborn infants—usually used attributively <affected with Group B strep>; compare group a


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