ˌsefələˈspōrə̇n, -ˈspȯr- noun
( -s )
Etymology: International Scientific Vocabulary cephalospor- (from New Latin Cephalosporium , genus name) + -in ; perhaps originally formed in Italian
: any of several beta-lactam antibiotics produced by an imperfect fungus (genus Acremonium syn. Cephalosporium ) or made semisynthetically