noun, often attributive
ac·​yl | \ ˈa-səl How to pronounce acyl (audio) \

Definition of acyl

: 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 Each of the products are also made with acyl-glutathione, which is the brand's proprietary blend of glutathione. Sarah Kinonen, Allure, "Perricone MD Launches Essential Fx Skin-Care Line With Vitamin F," 9 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acyl.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of acyl

1903, in the meaning defined above

History and Etymology for acyl

borrowed from German Acyl "acetyl," from New Latin acidum acid entry 1 + German -yl -yl

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Cite this Entry

“Acyl.” Dictionary, Merriam-Webster, Accessed 14 May. 2021.

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More Definitions for acyl


ac·​yl | \ ˈas-əl How to pronounce acyl (audio) , -ēl; ˈā-səl How to pronounce acyl (audio) \

Medical Definition of acyl

: a radical derived usually from an organic acid by removal of the hydroxyl from all acid groups

Comments on acyl

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