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cephalosporin Syllabification: ceph·a·lo·spo·rin
Pronunciation: /ˌsefəlōˈspôrən/

Definition of cephalosporin in English:


Any of a group of semisynthetic broad-spectrum antibiotics resembling penicillin.
Example sentences
  • The antibiotics used were mainly cephalosporins, penicillins, fluoroquinolones, aminoglycosides, tetracyclines and antituberculosis drugs.
  • Major classes of antibiotics include tetracyclines, aminoglycosides, penicillins, cephalosporins, fluoroquinolones, streptogramins, sulfonamides, and erythromycins.
  • Patients who are allergic to penicillin can be treated with erythromycin or first-generation cephalosporins (if there is no immediate-type hypersensitivity to beta-lactam antibiotics).


1950s: from modern Latin Cephalosporium (genus providing molds for this) + -in1.

Definition of cephalosporin in:
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