Of or relating to an organic compound, especially an oil or fatty acid, containing only one double or triple bond per molecule. Foods containing monounsaturated fatty acids may decrease the amount of LDL cholesterol in the blood and include olive, peanut, canola, and avocado oils.
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.