Definition of DYAD

dyad

Plural: dyads

Noun

  • A pair of two individuals or units regarded as a single entity.
  • two items of the same kind
  • A set of two elements treated as one; a pair.
  • Two persons in an ongoing relationship; a dyadic relationship.
  • The relationship or interaction itself in reference to a couple.
  • Any set of two different pitch classes.
  • An element, atom, or radical having a valence of or combining power of two.
  • A chromosome structure, usually X- or V-shaped, consisting of two condensed sister chromatids joined by a centromere.
  • A secondary unit of organisation consisting of an aggregate of monads.
  • A tensor of order two and rank one.

Examples

  • The powerful dyad of ’Q’ and ’Z’ tiles often creates high-scoring words in Scrabble.

Origin / Etymology

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.

Scrabble Score: 9

dyad: valid Scrabble (US) TWL Word
dyad: valid Scrabble Word in Merriam-Webster MW Dictionary
dyad: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 8

dyad: valid Words With Friends Word