cephalexin

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noun ceph·a·lex·in \ˌse-fə-ˈlek-sən\

Definition of cephalexin

  1. :  a semisynthetic cephalosporin C16H17N3O4S with a spectrum of antibiotic activity similar to the penicillins

Origin and Etymology of cephalexin

cephalosporin + -ex- (of unknown origin) + 1-in


First Known Use: 1967


Medical Dictionary

cephalexin

play
noun ceph·a·lex·in \ˌsef-ə-ˈlek-sən\

Medical Definition of cephalexin

  1. :  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 or monohydrate C16H17N3O4S·H2O Cephalexin is marketed under the trademark Keflex.


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