過か塩えん素そ酸さん塩えんMeaningsNoun1. perchlorateKanji used過surpass something塩salt素elementary酸acidComposed of過かsurplus-; excess-; over-; per- (chemical with more of a certain element than found in other compounds of the same constituents)Prefix塩えん素そchlorine (Cl)Noun酸さんacid; sourness; sour tasteNoun塩えんsalt (e.g. sodium chloride, calcium sulfate, etc.); chlorideNoun