acetate-rayon

acetate

[as-i-teyt]
noun
1.
Chemistry. a salt or ester of acetic acid.
2.
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.
3.
a sheet of clear plastic film fastened over the front of artwork for protection, as an overlay, or the like.
4.
a slow-burning base material, cellulose triacetate, used for motion-picture film to minimize fire hazard during projection, and also for animation cells.

Origin:
1820–30; acet- + -ate2

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
acetate (ˈæsɪˌteɪt)
 
n
1.  Systematic name: ethanoate any salt or ester of acetic acid, containing the monovalent ion CH3COO-- or the group CH3COO-
2.  (modifier) consisting of, containing, or concerned with the group CH3COO-: acetate group or radical
3.  acetate rayon short for cellulose acetate
4.  a sound recording disc composed of an acetate lacquer coating on an aluminium or plastic base: used for demonstration or other short-term purposes
 
[C19: from acetic + -ate1]
 
'acetated
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

acetate
1827, "salt formed by combining acetic acid with a base," from L. acetum "vinegar" (see acetic) + chemical suffix -ate. As a type of synthetic material, it is attested from 1920, short for acetate silk, etc.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

acetate ac·e·tate (ās'ĭ-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.
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American Heritage
Science Dictionary
acetate   (ās'ĭ-tāt')  Pronunciation Key 
  1. 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.

  2. Cellulose acetate or a product made from it, especially fibers or film.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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