(pharmacology) A narrow spectrum penicillin antibiotic.

Of, pertaining to, or having the same basic structure as penicillin / Of or pertaining to penicillanic acid or its derivatives

plural of penicillamine

plural of penicillinase

(biochemistry) A specific type of beta-lactamase showing specificity for penicillins.

Any of the blue-green fungi, of the genus Penicillium, that are used in the manufacture of cheeses, and are an important source of antibiotics.

Indicates that the speaker has an allergy to penicillin.

plural of penicillus

plural of penicillium

(botany) penicillate