con·vo·lu·tion /ˌkɑnvəˈluʃən/
 迴旋,卷旋,槃旋
 con·vo·lu·tion /ˌkɑnvəˈluʃən/ 名詞
 析積法,卷積,迴旋,卷旋,旋轉,匝,圈,轉數,渦流,折合式,結合式
 convolution
 轉數
 convolution
 卷積
 Con·vo·lu·tion n.
 1. The act of rolling anything upon itself, or one thing upon another; a winding motion.
 O'er the calm sea, in convolution swift,
 The feathered eddy floats.   --Thomson.
 2. The state of being rolled upon itself, or rolled or doubled together; a tortuous or sinuous winding or fold, as of something rolled or folded upon itself.
 3. Anat. An irregular, tortuous folding of an organ or part; as, the convolutions of the intestines; the cerebral convolutions. See Brain.
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 convolution
      n 1: the shape of something rotating rapidly [syn: whirl, swirl,
            vortex]
      2: a convex fold or elevation in the surface of the brain [syn:
          gyrus]
      3: the action of coiling or twisting or winding together