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acetate

[ as-i-teyt ]
/ ˈæs ɪˌteɪt /
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noun

Chemistry. a salt or ester of acetic acid.
Also called acetate rayon. a synthetic filament, yarn, or fabric composed of a derivative of the acetic ester of cellulose, differing from viscose rayon in having greater strength when wet and greater sensitivity to high temperatures.
a sheet of clear plastic film fastened over the front of artwork for protection, as an overlay, or the like.
a slow-burning base material, cellulose triacetate, used for motion-picture film to minimize fire hazard during projection, and also for animation cells.

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Origin of acetate

First recorded in 1820–30; acet- + -ate2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for acetate

British Dictionary definitions for acetate

acetate
/ (ˈæsɪˌteɪt) /

noun

any salt or ester of acetic acid, containing the monovalent ion CH 3 COO or the group CH 3 COO-Systematic name: ethanoate
(modifier) consisting of, containing, or concerned with the group CH 3 COO-acetate group or radical
a sound recording disc composed of an acetate lacquer coating on an aluminium or plastic base: used for demonstration or other short-term purposes

Derived forms of acetate

acetated, adjective

Word Origin for acetate

C19: from acetic + -ate 1
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

Medical definitions for acetate

acetate
[ ăsĭ-tāt′ ]

n.

A salt or ester of acetic acid containing the radical group CH3COO.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for acetate

acetate
[ ăsĭ-tāt′ ]

A salt or ester of acetic acid. Salts of acetic acid contain a metal attached to the acetic acid radical CH3COO. Esters contain another radical, such as ethyl, attached to the acetic acid radical.
Cellulose acetate or a product made from it, especially fibers or film.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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