cephalexin

(sĕfˌə-lĕkˈsĭn)

noun
A semisynthetic analogue of cephalosporin, C16H17N3O4S, used especially in the treatment of respiratory and urinary tract infections.

Origin:

Origin: Blend of cephal(ospor)in

Origin: and ex- (probably alteration of hex(a)-, from the six carbon atoms comprising the phenyl group that distinguishes it from cephalosporin)

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