硫りゅう化か亜あ鉛えんMeaningsNoun1. zinc sulfide (ZnS) (sulphide)Kanji used硫sulphur化transformation亜Asia鉛lead (metal)Pitch accentりゅうかあえんComposed of硫りゅう化かsulfuration; sulphurationNoun亜あ鉛えんzinc (Zn)Noun