dyad
noun
- two units regarded as one; pair
- Biol. a double chromosome resulting from the division of a tetrad in meiosis; half of a tetrad
- Chem. an atom, element, or radical with a valence of two
- ☆ Sociology two persons in a continuing relationship involving interaction
adjective
consisting of two
See dyad in American Heritage Dictionary 4
(dīˈădˌ, -əd)
noun- Two individuals or units regarded as a pair: the mother-daughter dyad.
- Biology One pair of homologous chromosomes resulting from the division of a tetrad during meiosis.
- Chemistry A divalent atom or radical.
- Mathematics
a. A function that draws a correspondence from any vector u to the vector (v·u)w and is denoted vw, where v and w are a fixed pair of vectors and v·u is the scalar product of v and u. For example, if v = (2,3,1), w = (0,-1,4), and u = (a,b,c), then the dyad vw draws a correspondence from u to (2a + 3b + c)w.
b. A tensor formed from a vector in a vector space and a linear functional on that vector space.
adjective Made up of two units.
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