monounsaturated

American  

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

adjective

Nutrition.

1. 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.

---

monounsaturated British  

/ ˌmɒnəʊʌnˈsætʃəˌreɪtɪd /

adjective

1. 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 bond See also polyunsaturated

---

monounsaturated Scientific  

/ mŏn′ō-ŭn-săch′ə-rā′tĭd /

1. Relating to an organic compound, usually a fatty acid, having only one double bond per molecule.

2. See more at unsaturated

---

Etymology

Origin of monounsaturated

First recorded in 1935–40; mono- + unsaturated

Example Sentences

Results revealed that the version made from textured sunflower protein had better consistency and higher levels of protein, along with healthy fats such as monounsaturated fatty acids.

From Science Daily • Nov. 4, 2025

“EVOO is packed with heart-healthy monounsaturated fats that can help lower bad cholesterol levels,” she says.

From Salon • Jan. 19, 2025

Its health benefits can partly be attributed to its monounsaturated fatty acids, which contain vitamins and minerals, and polyphenols, that are micronutrients derived from plants.

From BBC • Feb. 21, 2023

Fortunately, most cooking oils are high in unsaturated fats, with a combination of monounsaturated, polyunsaturated and saturated fats, albeit in different proportions.

From Washington Post • Nov. 21, 2022

For example, they have higher levels of polyunsaturated fats instead of monounsaturated fats.

From "The Omnivore's Dilemma" by Michael Pollan