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chemistry. a salt or ester of .
also called acetate rayon. a synthetic filament, yarn, or fabric composed of a derivative of the 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, , used for motion-picture film to minimize fire hazard during projection, and also for animation cells.
contemporary examples

a record would spend years in larval form as an acetate, the big waxy master from which copies were made.
the stacks: how leonard chess helped make muddy waters alex belth august 1, 2014

historical examples

after five minutes the wood is washed, and grained with acetate of iron (the ordinary iron liquor of the dyer) at 20° tw.
burroughs’ encyclopaedia of astounding facts and useful information, 1889 barkham burroughs

the weighting agents most generally used are sugar and acetate of lead.
textiles william h. dooley

or we may pad first in a solution of acetate of lead containing a little glue; dry, and pad in solution of bichromate of potash.
a dictionary of arts, manufactures and mines andrew ure

the cotton is first steeped in a bath of acetate of lead of about 10° tw.
the dyeing of cotton fabrics franklin beech

it is allowed to settle, filtered and washed with a solution of acetate or of nitrate of ammonia.
a textbook of -ssaying: for the use of those connected with mines. cornelius beringer and john jacob beringer

the acetate is not crystalline, that of strychnine is so (p. 321).
poisons: their effects and detection alexander wynter blyth

the1625 commercial salt, or mauve, is the acetate, or sometimes the hydrochlorate.
cooley’s practical receipts, volume ii arnold cooley

acetate of lead is contained in a pill, a suppository, and an ointment.
poisons: their effects and detection alexander wynter blyth

he has also used the simple sulphate of alumine in order to procure the acetate of this base.
history of embalming j. n. gannal

noun
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
short for acetate rayon, cellulose acetate
a sound recording disc composed of an acetate lacquer coating on an aluminium or plastic base: used for demonstration or other short-term purposes
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 ac·e·tate (ās’ĭ-tāt’)
n.
a salt or ester of acetic acid containing the radical group ch3coo.
acetate
(ās’ĭ-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.