di·chot·o·my /daɪˈkɑtəmi ||də-/
 兩分,分裂,二分法


 di·chot·o·my /daɪˈkɑtəmɪ , də-/ 名詞
 二分法,對分法(算),二歧分枝式


 dichotomy
 二分法


 dichotomy
 二分


 Di·chot·o·my n.
 1. A cutting in two; a division.
    A general breach or dichotomy with their church.   --Sir T. Browne.
 2. Division or distribution of genera into two species; division into two subordinate parts.
 3. Astron. That phase of the moon in which it appears bisected, or shows only half its disk, as at the quadratures.
 4. Biol. Successive division and subdivision, as of a stem of a plant or a vein of the body, into two parts as it proceeds from its origin; successive bifurcation.
 5. The place where a stem or vein is forked.
 6. Logic Division into two; especially, the division of a class into two subclasses opposed to each other by contradiction, as the division of the term man into white and not white.

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 dichotomy
      n : being twofold; a classification into two opposed parts or
          subclasses; "the dichotomy between eastern and western
          culture" [syn: duality]