penicillin-resistant bacteria

English Thesaurus

1. bacteria that are unaffected by penicillin (noun.animal)

hypernym	:	bacteria, bacterium,
definition	:	(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants (noun.animal)