dyad
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dyad
- /ˈdaɪ.æd/
Sounds like diad · Rhymes with -aɪæd
Where it comes from
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.
noun dyads
- 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; […]
- Two persons in an ongoing relationship; a dyadic relationship. For each individual in a specific dyad (i.e., mother-offspring, offspring-father, sibling-sibling), […]
- 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.
