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penicillin

Syllabification: pen·i·cil·lin
Pronunciation: /ˌpenəˈsilən
 
/

Definition of penicillin in English:

noun

1An antibiotic or group of antibiotics produced naturally by certain blue molds, and now usually prepared synthetically.
Example sentences
  • Major classes of antibiotics include tetracyclines, aminoglycosides, penicillins, cephalosporins, fluoroquinolones, streptogramins, sulfonamides, and erythromycins.
  • The antibiotics used were mainly cephalosporins, penicillins, fluoroquinolones, aminoglycosides, tetracyclines and antituberculosis drugs.
  • Most antibiotics such as penicillins, cyclosporines, and aminoglycosides can be used safely during pregnancy, but tetracyclines should be avoided.
2A blue mold of a type that produces penicillin.

Origin

from the modern Latin genus name Penicillium (from Latin penicillus 'paintbrush') + -in1.

Definition of penicillin in:

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