penicillinase-resistant antibiotic

1. 1.

   a form of penicillin that is not rendered inactive by penicillinase

   Broaderpenicillin

   Narrowernafcillinoxacillin

Questions about penicillinase-resistant antibiotic

What does penicillinase-resistant antibiotic mean?

penicillinase-resistant antibiotic means "a form of penicillin that is not rendered inactive by penicillinase".

Is penicillinase-resistant antibiotic a common word?

penicillinase-resistant antibiotic is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.