dyad

名词 n.
中文释义

英文释义

名词 n.
  1. A set of two elements treated as one; a pair.
    — […] positing a dyad and constructing the infinite out of great and small, instead of treating the infinite as one, is peculiar to him; […]
  2. Two persons in an ongoing relationship; a dyadic relationship.
    — For each individual in a specific dyad (i.e., mother-offspring, offspring-father, sibling-sibling), […]
  3. The relationship or interaction itself in reference to a couple.
  4. Any set of two different pitch classes.
  5. An element, atom, or radical having a valence of or combining power of two.
  6. A chromosome structure, usually X- or V-shaped, consisting of two condensed sister chromatids joined by a centromere.
  7. A secondary unit of organisation consisting of an aggregate of monads.
  8. A tensor of order two and rank one.

词形变化

dyads plural

词汇关系

衍生词
dyadic dyadwise dyadically dyadism pseudodyad
相关词
interval trichord hexachord tetrachord

词源

From Ancient Greek δυάς (duás), δυάδ- (duád-) from δύο (dúo, “two”), from Proto-Indo-European *duwó, *duwéh₃ (*dwóh₁). The mathematics sense was coined by American scientist Josiah Willard Gibbs in 1884 in the second half of his book Elements of Vector Analysis.
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