Quiz: Remember the definition of mal de mer?


[as-i-teyt] /ˈæs ɪˌteɪt/
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.
1820-30; acet- + -ate2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for acetate
  • White vinegar can corrode and dissolve some minerals and certain fabrics made of acetate.
  • The hydrogen is then used to convert ethyl acetate into ethanol.
  • The bacteria took the remainder of the energy from the acetate, using it for their continued survival and growth.
  • In the case of polyvinyl acetate, each repeating unit contains an acetate group.
  • Rayon and acetate fibers are also produced from cellulose mainly derived from trees.
  • acetate fiber is known as modified or secondary acetate having a few hydroxyl groups.
  • Today, acetate is blended with silk, cotton, wool, nylon, etc.
British Dictionary definitions for acetate


any salt or ester of acetic acid, containing the monovalent ion CH3COO or the group CH3COO- Systematic name ethanoate
(modifier) consisting of, containing, or concerned with the group CH3COO-: 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
acetated, adjective
Word Origin
C19: from acetic + -ate1
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
Cite This Source
Word Origin and History for acetate

1827, "salt formed by combining acetic acid with a base," from Latin acetum "vinegar" (see acetic) + chemical suffix -ate (3). As a type of synthetic material, it is attested from 1920, short for acetate silk, etc.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
acetate in Medicine

acetate ac·e·tate (ās'ĭ-tāt')
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.
Cite This Source
acetate in Science
  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.
Cite This Source

Word of the Day

Difficulty index for acetate

Most English speakers likely know this word

Word Value for acetate

Scrabble Words With Friends

Nearby words for acetate