Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
gram-positive is an adjective meaning "(of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method". It carries one recorded sense.
(of bacteria) being or relating to a bacterium that retains the violet stain used in Gram's method
bacteria
Definitions, synonyms and semantic relations for gram-positive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.