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