酪らく酸さんらくさんFreq.FrequencyTop 100,000Meanings1nounbutyric acidchemistryA short-chain fatty acid found in butter and other dairy products; also produced by gut bacteria. Used in chemistry and food science contexts.酪らく酸さんはバターの香かおりの成せい分ぶんの一ひとつです。Butyric acid is one of the components of butter's aroma.