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