[ mon-oh-uhn-sach-uh-rey-tid ]
/ ˌmɒn oʊ ʌnˈsætʃ əˌreɪ tɪd /

adjective Nutrition.

of or noting a class of fats that lack a hydrogen bond at one point on the carbon chain and that are associated with a low cholesterol content of the blood.

Origin of monounsaturated

First recorded in 1935–40; mono- + unsaturated Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for monounsaturated


/ (ˌmɒnəʊʌnˈsætʃəˌreɪtɪd) /


of or relating to a class of vegetable oils, such as olive oil, the molecules of which have long chains of carbon atoms containing only one double bondSee also polyunsaturated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for monounsaturated


[ mŏn′ō-ŭn-săchə-rā′tĭd ]

Relating to an organic compound, usually a fatty acid, having only one double bond per molecule. See more at unsaturated.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.