[ uh-set-l-eyt ]
/ əˈsɛt lˌeɪt /

verb (used with object), a·cet·y·lat·ed, a·cet·y·lat·ing.

to introduce one or more acetyl groups into (a compound).

verb (used without object), a·cet·y·lat·ed, a·cet·y·lat·ing.

to become acetylated.
Also acetylize.

Origin of acetylate

First recorded in 1905–10; acetyl + -ate1

Related forms

a·cet·y·la·tion, nouna·cet·y·la·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acetylation

  • The furfural constants of the lignocellulose are unaffected by the acetylation and condensation.

British Dictionary definitions for acetylation


/ (əˈsɛtɪˌleɪt) /


(tr) to introduce an acetyl group into (a chemical compound)
(intr) (of a chemical compound) to gain or suffer substitution of an acetyl group

Derived Forms

acetylation, noun
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

Medicine definitions for acetylation


[ ə-sĕt′l-āshən ]


A reaction, usually with acetic acid, that introduces an acetyl radical into an organic compound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.