¦ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ˌ ̷ ̷ , - ̷ ̷ ˈ ̷ ̷ noun
: any of a large class of natural and semisynthetic antibiotics (as the penicillins and cephalosporins) with a lactam ring
¦ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ˌ ̷ ̷ , - ̷ ̷ ˈ ̷ ̷ noun
: any of a large class of natural and semisynthetic antibiotics (as the penicillins and cephalosporins) with a lactam ring
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012