• synonyms


verb (used with object), a·cet·y·lat·ed, a·cet·y·lat·ing.
  1. to introduce one or more acetyl groups into (a compound).
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verb (used without object), a·cet·y·lat·ed, a·cet·y·lat·ing.
  1. to become acetylated.
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Also acetylize.

Origin of acetylate

First recorded in 1905–10; acetyl + -ate1
Related formsa·cet·y·la·tion, nouna·cet·y·la·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for acetylation

Historical Examples

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

    Researches on Cellulose

    C. F. Cross

British Dictionary definitions for acetylation


  1. (tr) to introduce an acetyl group into (a chemical compound)
  2. (intr) (of a chemical compound) to gain or suffer substitution of an acetyl group
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Derived Formsacetylation, 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

acetylation in Medicine


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