phenoxymethyl penicillin is a noun meaning "a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids". It carries one recorded sense.
a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids
Definitions, synonyms and semantic relations for phenoxymethyl penicillin come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.