Definition of ceftriaxone
: a broad-spectrum semisynthetic cephalosporin antibiotic C18H18N8O7S3 administered parenterally in the form of its sodium salt
Origin of ceftriaxone
cef- (alteration of cephalosporin) + -triaxone, of unknown origin
First Known Use: 1984
Medical Definition of ceftriaxone
: a semisynthetic cephalosporin antibiotic that is administered parenterally in the form of its hydrated disodium salt C18H16N8Na2O7S3·31⁄2H2O
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Medical Dictionary: Definition of "ceftriaxone"
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