In pharmaceutical drug|lang=en terms the difference between penicillin and penicillin

is that penicillin is (pharmaceutical drug) any of a group of narrow-spectrum antibiotics obtained from penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases while penicillin is (pharmaceutical drug) any of a group of narrow-spectrum antibiotics obtained from penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases.

As nouns the difference between penicillin and penicillin

is that penicillin is (pharmaceutical drug) any of a group of narrow-spectrum antibiotics obtained from penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases while penicillin is (pharmaceutical drug) any of a group of narrow-spectrum antibiotics obtained from penicillium molds or synthesized; they have a beta-lactam structure; most are active against gram-positive bacteria and used in the treatment of various infections and diseases.