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  1. filtration

    • IPA[ˌfilˈtrāSHən]

    美式

    • n.
      the action or process of filtering something
    • noun: filtration, plural noun: filtrations

    • 釋義

    名詞

    • 1. the action or process of filtering something small particles are difficult to remove without filtration
    • 更多解釋
    • IPA[fɪlˈtreɪʃn]

    英式

    • n.
      the action or process of filtering something: small particles are difficult to remove without filtration

    Oxford Dictionary