骨化 [ㄍㄨˇ ㄏㄨㄚˋ; gu3 hua4] to ossify ossification ◄ ►
骨化 こっか noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru nouns which may take the genitive case particle `no' ossification ◄ ►