桂けい皮ひ酸さんけいひさんMeanings1nouncinnamic acidA chemical compound found in cinnamon oil and used in flavorings and pharmaceuticals.桂けい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.
