Definition of canister noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈkænɪstə(r)//
    ; NAmE NAmE//ˈkænɪstər//
    Film-making equipment, Making films
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  1. 1a container with a lid for holding tea, coffee, etc.
  2. 2a strong metal container containing gas or a chemical substance, especially one that bursts when it is fired from a gun or thrown tear-gas canisters Police fired tear-gas canisters at the demonstrators.
  3. 3a flat round metal container used for storing film a film canister See related entries: Film-making equipment, Making films
  4. Word Originlate 15th cent. (denoting a basket): from Latin canistrum, from Greek kanastron ‘wicker basket’, from kanna ‘cane, reed’ kannē, of Semitic origin.
See the Oxford Advanced American Dictionary entry: canister