# Dyad

[dahy-ad] /ˈdaɪ æd/

**noun**

1.

a group of two; couple; pair.

2.

Biology.

3.

Chemistry. an element, atom, or group having a valence of two.

Compare , (def 2a).

4.

Mathematics. two vectors with no symbol connecting them, usually considered as an operator.

5.

Sociology.

**adjective**

6.

of two parts; dyadic.

/ˈdaɪæd/

**noun**

1.

(maths) an operator that is the unspecified product of two vectors. It can operate on a vector to produce either a scalar or vector product

2.

an atom or group that has a valency of two

3.

a group of two; couple

dyad dy·ad (dī’ād’, -əd)

n.

Tagged: d

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