両凸りょうとつ Noun Noun English jmdict 1 noun (common) (futsuumeishi)nouns which may take the genitive case particle 'no' biconvex
凸でこ Noun English jmdict 1 noun (common) (futsuumeishi) word usually written using kana alone brow;forehead See also: お凸 (おでこ) 2 noun (common) (futsuumeishi) word usually written using kana alone bump
凸とつ I-adj Noun English jmdict 1 adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no' convex
Shirabe