1. Noun.  (organic chemistry) Any salt or ester of acetic acid.
  2. Noun.  cellulose acetate.
  3. Noun.  A transparent sheet used for overlays.
  4. Noun.  A disc of aluminium covered in a wax used to make demonstration copies of a phonograph record.

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This entry was last updated on RefTopia from its source on 3/20/2012.