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.

acetate

/ ˈæsɪˌteɪt /

noun

1. any salt or ester of acetic acid, containing the monovalent ion CH 3 COO ^–or the group CH 3 COO- Systematic nameethanoate
2. modifier consisting of, containing, or concerned with the group CH 3 COO-

   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

acetate

/ ăs′ĭ-tāt′ /

1. A salt or ester of acetic acid. Salts of acetic acid contain a metal attached to the acetic acid radical CH 3 COO. 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.

Derived Forms

• ˈaceˌtated, adjective

Word History and Origins

Origin of acetate¹

First recorded in 1820–30; acet- + -ate ²

Word History and Origins

Origin of acetate¹

C19: from acetic + -ate ¹

Example Sentences

The same sort of breakdown can occur with THC-O acetate at very high temperatures.

From FiveThirtyEight

After a pack’s first use, you’ll need to boil the hand warmers for approximately 10 minutes before using them again, effectively reactivating the chemicals and returning the sodium acetate to its liquid form.

From Popular-Science

He wanted to know if a butterfly could remember something about its life as a caterpillar, so he exposed caterpillars to the scent of ethyl acetate followed by a mild electric shock.

From Nautilus

After acquiring an aversion to ethyl acetate, the caterpillars pupated and, after emerging as adult butterflies several weeks later, were tested for memory of their aversive training.

From Nautilus

First the two molecules react together to form two other chemicals — sodium acetate and carbonic acid.

From Science News For Students

A record would spend years in larval form as an acetate, the big waxy master from which copies were made.

From The Daily Beast

Once both tracks hit acetate, a master record was sent to URP for pressing.

From The Daily Beast

The prototypes are built from a recyclable flat foam-rubber called ethylene vinyl acetate (EVA).

From The Daily Beast

This fluid is then heated, adding crystals of sodium acetate until it becomes perfectly clear.

From Project Gutenberg

A portion of the yellow filtrate gave a reddish yellow precipitate with lead acetate.

From Project Gutenberg

A precipitate obtained by adding lead acetate to a filtered solution of the original substance in 50 per cent.

From Project Gutenberg

To the filtrate was added an excess of a solution of lead acetate in 50 per cent.

From Project Gutenberg

The poison, if precipitated at all by lead acetate, must have gone down in one of the preceding fractions.

From Project Gutenberg