acetate

[as-i-teyt] /ˈæs ɪˌteɪt/
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
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

acetate

/ˈæsɪˌteɪt/
noun
1.
any salt or ester of acetic acid, containing the monovalent ion CH3COO– or the group CH3COO- Systematic name ethanoate
2.
(modifier) consisting of, containing, or concerned with the group CH3COO-: acetate group or radical
3.
short for acetate rayon, 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
Derived Forms
acetated, adjective
Word Origin
C19: from acetic + -ate1
Word Origin and History for acetate
n.

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.

acetate in Medicine

acetate ac·e·tate (ās'ĭ-tāt')
n.
A salt or ester of acetic acid containing the radical group CH3COO.

acetate in Science
acetate
  (ās'ĭ-tāt')   

  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.