Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
stainable is an adjective meaning "capable of being stained (especially of cells and cell parts)". It carries one recorded sense.
capable of being stained (especially of cells and cell parts)
Definitions, synonyms and semantic relations for stainable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.