acetate
nounUK /ˈæsɪteɪt/
US /ˈæsəteɪt/
A clear plastic film used for things like overhead sheets and movie film.
The teacher wrote on a clear acetate sheet for the projector.
RELATED WORDS
OTHER MEANINGS
2. A salt or ester of acetic acid.
Sodium acetate is often used in heating pads.
3. A fabric made from cellulose acetate fibers.
The dress was made of soft acetate that draped nicely.
4. A chemical group or ion derived from acetic acid.
The chemist studied the acetate ion in solution.