Cephalexin Definition
sĕfə-lĕksĭn
noun
A semisynthetic cephalosporin antibiotic, C16 H17 N3 O4 S, used especially in the treatment of respiratory and urinary tract infections.
American Heritage Medicine
A particular oral cephalosporin antibiotic.
Wiktionary
Synonyms:
- Keftab
- Keflin
- keflex
Origin of Cephalexin
Blend of cephal(ospor)in ex- (probably alteration of hex(a)– from the six carbon atoms comprising the phenyl group that distinguishes it from cephalosporin)
From American Heritage Dictionary of the English Language, 5th Edition
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