dyad

English

/ˈdaɪ.æd/

noun
Definitions
  • A set of two elements treated as one; a pair.
  • (music) Any set of two different pitch classes.
  • A pair of things standing in particular relation; dyadic relation.
  • (chemistry) An element, atom, or radical having a valence or combining power of two.
  • (biology) A secondary unit of organisation consisting of an aggregate of monads.
  • (mathematics) A tensor of order two and rank one.

Etymology

Borrowed from Ancient Greek δυάς derived from Proto-Indo-European *duwó.

Origin

Proto-Indo-European

*duwó

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms