陥没乳頭 かんぼつにゅうとう Meanings Noun inverted nipple; retracted nipple Kanji 陥 fall into. Read as カン. 没 submerge. Read as ボツ. 乳 milk. Read as ニュウ. 頭 head. Read as トウ. Word lists Anatomy Jinuma: Japanese Dictionary · Word lists