ケイ皮ひ酸さんケイひさんMeanings1nouncinnamic acidchemistryA chemical compound; used in organic chemistry and related fields.ケイ皮ひ酸さんは、シナモンに含ふくまれる有ゆう機き化か合ごう物ぶつです。Cinnamic acid is an organic compound found in cinnamon.
