フェニル酢さく酸さんMeanings1nounphenylacetic acidchemistryTechnical term in organic chemistry; a carboxylic acid with a phenyl group attached to the alpha carbon.フェニル酢さく酸さんは香こう料りょうや医い薬やく品ひんの合ごう成せいに使つかわれる。Phenylacetic acid is used in the synthesis of fragrances and pharmaceuticals.