acetate

acétate de cellulose, acétate

Matière issue de fibres végétales, utilisée pour fabriquer des objets en plastique, des films et des tissus.

En anglais simple : A material made from plant fibers, used to make plastic products, film, and cloth.

• Her glasses have acetate frames.
• The jacket has a smooth acetate lining.
• This factory once made film from acetate.

Synonymes : cellulose acetate

Expressions courantes : acetate fabric, acetate frames, cellulose acetate

acétate

Substance produite par la réaction de l’acide du vinaigre avec d’autres substances.

En anglais simple : A chemical made when the acid found in vinegar reacts with certain other substances.

• The solution contains sodium acetate.
• She prepared an acetate salt in the laboratory.
• Different acetates have different chemical properties.

Synonymes : ethanoate

Expressions courantes : sodium acetate, acetate salt, acetate solution

transparent, feuille d'acétate

Feuille de plastique transparente servant à projeter des images, protéger des dessins ou superposer des images.

En anglais simple : A clear plastic sheet used to show images, cover drawings, or place one picture over another.

• Draw the outline on acetate.
• She placed an acetate over the original map.
• The teacher showed three acetates on the projector.

Synonymes : transparency

Expressions courantes : acetate sheet, clear acetate, print on acetate