Definitions:

1. A clear plastic sheet that you can write or print something on and show on a screen using an overhead projector. NOUN
   • The graphic designer used an acetate overlay to visualize the layout of the magazine spread.
2. a fabric made from fibers of cellulose acetate noun
   • The acetate coating on the fabric provides water resistance.
3. a salt or ester of acetic acid noun
   • The lab technician synthesized a new compound by combining acetate with and organic solvent.
4. A slow-burning base material, used for motion-picture film to minimize fire hazard during projection, and also for animation cells. NOUN
   • An acetate film is often used in photography.

Synonyms:

• acetate rayon
• ethanoate