First Known Use: 1967
Dictionary
cephalexin
noun ceph·a·lex·in \ˌse-fə-ˈlek-sən\
Definition of CEPHALEXIN
: a semisynthetic cephalosporin C16H17N3O4S with a spectrum of antibiotic activity similar to the penicillins
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Origin of CEPHALEXIN
cephalosporin + -ex- (of unknown origin) + 1-in
Medical Dictionary
cephalexin
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
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