(pharmacology) Any of a group of narrow-spectrum antibiotics obtained from Penicillium molds or synthesized, that have a beta-lactam structure and are active against gram-positive bacteria and used in the treatment of various infections and diseases.

plural of penicillin

Relating to, or derived from penicillin

simple past tense and past participle of penicillinize

Third-person singular simple present indicative form of penicillinize

(transitive, medicine) To treat (someone) with penicillin. / (transitive, medicine) To add penicillin to (an erythrocyte etc.).

present participle of penicillinize

(pharmacology) Alternative form of benzylpenicillin.

(pharmacology) Alternative form of phenoxymethyl penicillin.

(pharmacology) A narrow spectrum penicillin antibiotic.