American English

Definition of acetate noun from the Oxford Advanced American Dictionary



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  1. 1[uncountable] a chemical made from acetic acid, used in making plastics, etc.
  2. 2[uncountable] a chemical used to make fibers that are used to make clothes, etc.
  3. 3[countable] a transparent plastic sheet that you can write or print something on and show on a screen using an overhead projector
See the Oxford Advanced Learner's Dictionary entry: acetate