[uh-set-l-eyt] Chemistry.
verb (used with object), acetylated, acetylating.
to introduce one or more acetyl groups into (a compound).
verb (used without object), acetylated, acetylating.
to become acetylated.
Also, acetylize.

1905–10; acetyl + -ate1

acetylation, noun
acetylative, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
acetylate (əˈsɛtɪˌleɪt)
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

acetylation a·cet·y·la·tion (ə-sět'l-ā'shən)
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.
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Example sentences for acetylation
The acetylation prevents chloramphenicol from binding to the ribosome.
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