often attributive
: a radical RCO− derived usually from an organic acid by removal of the hydroxyl from all acid groups
—often used in combination
Examples of acyl in a Sentence
Recent Examples on the Web
Pantothenic acid is part of two essential enzymes: coenzyme A (CoA) and acyl carrier protein (ACP).19 CoA is essential for the breakdown of fats, carbohydrates, and proteins.
—
Amy Brownstein, Verywell Health, 31 July 2025
The alkyne-azide bond was superefficient and left the original target, the acyl halide, largely untouched.
—Bydaniel Clery, science.org, 4 Oct. 2022
Each of the products are also made with acyl-glutathione, which is the brand's proprietary blend of glutathione.
—Sarah Kinonen, Allure, 9 Aug. 2018
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Amy Brownstein, Verywell Health, 31 July 2025
The alkyne-azide bond was superefficient and left the original target, the acyl halide, largely untouched.
—Bydaniel Clery, science.org, 4 Oct. 2022
Each of the products are also made with acyl-glutathione, which is the brand's proprietary blend of glutathione.
—Sarah Kinonen, Allure, 9 Aug. 2018
Cite this Entry
“Acyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acyl. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
acyl
noun
ac·yl
ˈas-əl 
-ēl; ˈā-səl
-ēl; ˈā-səl
: a radical derived usually from an organic acid by removal of the hydroxyl from all acid groups
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