Dyad

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Etymology: Late Latin dyad-, dyas, from Greek, from dyo

dyad may refer to:

  • Dyad (symbol), according to the Pythagoreans, is the principle of "twoness" or "otherness"
  • dyad (biology), a pair of sister chromatids occurring in prophase I of meiosis
  • dyad (general), consisting of two parts
  • dyad (Greek philosophy), Greek philosopher's principle of "twoness" or "otherness"
  • dyad (music), any two notes or pitches, emitted simultaneously
  • dyad (sociology), mostly refers to parents and friends, occasionally to twins
  • dyad, in engineering kinematics, a linkage in a planar mechanism that has two possible assembly modes

[edit] Also see

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