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 team used electrocatalysis, a type of chemical reaction initiated by electron transfers to and from reactants on surfaces of catalysts, to convert carbon dioxide into biocompatible intermediates, such as acetate and ethanol.

From Science Daily

Ethyl acetate and methylene chloride are two common solvents used to extract caffeine from green coffee beans.

From Salon

Jiao's tandem CO2 electrolysis produces acetate and ethylene.

From Science Daily

The obtained extracts were concentrated and partitioned between water and ethyl acetate.

From Science Daily

In addition, Roman aristocrats used lead cooking vessels, lead water pipes and even added lead acetate into their wine to sweeten it -- unwittingly poisoning themselves with the powerful neurotoxin.

From Science Daily