acetate

/AE1 S AH0 T EY0 T/
noun
  1. 1

    Any salt or ester of acetic acid.

  2. 2

    Cellulose acetate.

  3. 3

    A transparent sheet used for overlays.

  4. 4

    Ellipsis of acetate disc: a disc of aluminium covered in a wax used to make demonstration copies of a phonograph record.

Synonyms

Source: https://en.wiktionary.org/wiki/acetate