Pronunciation: ˌ sef- ˌ tr ī - ' ak- ˌ s ō n
Function: noun
Etymology: cef- (alter. of ceph alosporin) + -triaxone, of unknown origin
Date: 1984
: a broad-spectrum semisynthetic cephalosporin antibiotic C 18 H 18 N 8 O 7 S 3 administered parenterally in the form of its sodium salt