膨ぼう大だい部ぶMeaningsNoun1. ampullaKanji used膨bulge大large部sectionComposed of膨ぼう大だいhuge; vast; enormous; colossal; extensive; large; swelling; expansionNa-adjective部ぶdepartment (in an organization, company, etc.); division; bureau; faculty; club (at a school, university, etc.); team; part; portion; region; area; …Noun