オクタン酸さんMeanings1nounoctanoic acid; caprylic acidchemistryA saturated fatty acid found in coconut oil and milk; also known as caprylic acid. Used in chemistry and nutrition contexts.See also: カプリル酸オクタン酸さんはココナッツオイルに含ふくまれている。Octanoic acid is contained in coconut oil.