1) Acylation 
Acetylation (or in IUPAC nomenclature ethanoylation) describes a reaction that introduces an acetyl functional group into a chemical compound. (Deacetylation is the removal of the acetyl group.) Acetylation refers to the process of introducing an acetyl group (resulting in an acetoxy group) into a compound, namely the substitution of an acetyl gro...
(from the article `poison`) Two types of conjugations, acetylations and methylation, do not enhance the excretion of the parent chemical. Acetylation and methylation decrease ...
A chemical reaction in which a small molecule called an acetyl group is added to other molecules. Acetylation of proteins may affect how they act in the body.
Formation of an acetyl derivative. ... (12 Dec 1998) ... 
(ә-set″ә-la´shәn) the introduction of an acetyl group into the molecule of an organic compound.
Addition, either chemically or enzymically, of acetyl groups.
Type: Term Pronunciation: a-set′i-lā′shŭn Definitions: 1. Formation of an acetyl derivative.
[n] - the process of introducing an acetyl group into a compound
acetylation Formation of an acetyl derivative.
noun the process of introducing an acetyl group into a compound; `the acetylation of cyclooxygenase-2 by aspirin`