A fatty acid, CH3(CH2)12COOH, occurring in animal and vegetable fats and used in the manufacture of cosmetics, soaps, perfumes, and flavorings.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.