say it: ga-stroh-in-TEH-stuh-nuhl
gastrointestinal is an adjective meaning "of or relating to the stomach and intestines". It is pronounced /ˌɡæstɹoʊɪnˈtɛstənəl/ — ga-stroh-in-TEH-stuh-nuhl. It carries one recorded sense.
Definitions, synonyms and semantic relations for gastrointestinal come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.