We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun ceph·a·lex·in \ˌsef-ə-ˈlek-sən\

Medical Definition of CEPHALEXIN

:  a semisynthetic cephalosporin C16H17N3O4S with a spectrum of antibiotic activity similar to the penicillins that is often administered in the form of its hydrochloride C16H17N3O4S·HCl


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears