Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sulfonamide is a noun meaning "antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA". It carries one recorded sense.
antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sulfonamide come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.