Two units treated as one; a couple; a pair.
An element, atom, or radical having a valence or combining power of two.
Having a valence or combining power of two; capable of being substituted for, combined with, or replaced by, two atoms of hydrogen; as, oxygen and calcium are dyad elements. See Valence.
any two entities regarded as some kind of unit.
A group consisting of two members.
A relationship consisting of two people.
a pair of two individuals, as in mother-child dyad or father-child dyad. Used in reference to conversational settings involving the child and only one parent. Compare to whole-family (below).
two items of the same kind
a group of two, or a pair
an interaction between two entities, one of which can be non- human
a relationship between any two family members
a relationship between two people, for example A being friends with B.
Two individuals or units of the socion regarded as a pair, usually associated with the eight relations of duality.
General term for two microspores ( pollen grains or spores) united as a dispersal unit. Comment: A developmental dyad stage occurs prior to tetrad formation in plants with successive meiosis. See also: dispersal unit.
Any pair of complementary colors or any two colors considered visually harmonious. See: Color wheel.
Pair. Two items, such as two notes, or two intervals.
A two-person relationship.
A dyad (from Greek dýo, "two") in sociology mostly refers to parents and friends, occasionally to twins.