释义 |
group b noun Usage: usually capitalized G&B, often attributive : the Lancefield group of 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 < affected with Group B strep > — compare group a herein |