ヘキサン酸さんヘキサンさんMeanings1nounhexanoic acidchemistryA saturated fatty acid with a six-carbon chain; also known as caproic acid. Used in chemistry contexts.ヘキサン酸さんは炭たん素そ数すう6のカルボン酸さんである。Hexanoic acid is a carboxylic acid with six carbon atoms.