cephalothin

noun

ceph·​a·​lo·​thin ˈse-fə-lə-thən 

-ˌthin

: a semisynthetic broad-spectrum antibiotic derived from cephalosporin and used in the form of its sodium salt C₁₆H₁₅N₂NaO₆S₂

Word History

Etymology

cephalosporin + thi- + -in entry 1

First Known Use

1962, in the meaning defined above

Medical Definition

cephalothin

noun

ceph·​a·​lo·​thin ˈsef-ə-lə-(ˌ)thin 

: a semisynthetic broad-spectrum antibiotic C₁₆H₁₅N₂NaO₆S₂ that is an analog of a cephalosporin and is effective against penicillin-resistant staphylococci