Definitions for dyad

• Definition
• Anagrams (17)

dyad dy·ad

Spelling: [dahy-ad]

IPA: /ˈdaɪ æd/

Dyad is a 4 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 8 points.

You can make 17 anagrams from letters in dyad (addy).

Definitions for dyad

noun

1. a group of two; couple; pair.
2. Biology. a secondary morphological unit, consisting of two monads: the double chromosomes resulting from the separation of the four chromatids of a tetrad.
3. Chemistry. an element, atom, or group having a valence of two. Compare monad, triad (def 2a).
4. Mathematics. two vectors with no symbol connecting them, usually considered as an operator.
5. Sociology. two persons involved in an ongoing relationship or interaction. the relationship or interaction itself.

adjective

1. of two parts; dyadic.

Origin of dyad

1665-75; Greek dyad- (stem of dyás) pair, equivalent to dý(o) two + -ad- -ad¹

Examples for dyad

The other elements of symmetry (six dodecahedral planes and six dyad axes) are the same as in the last class.

The respondent was asked, Do you know that every dyad is even?

There are five axes of symmetry, one tetrad and two pairs of dyad, each perpendicular to a plane of symmetry.

For either the dyad is not One; or else the monads included therein are not monads ἐντελεχείᾳ (a. 14).

There being six pairs of parallel edges on an octahedron, there are consequently six dyad axes of symmetry.

They are parallel to the edges of the cube, and in the different classes coincide either with tetrad or dyad axes of symmetry.

Here there is only one dyad axis in which two planes of symmetry intersect.

When you say a line, do you mean a dyad in length Form in Matter?

Here there is a single plane of symmetry perpendicular to which is a dyad axis; there is also a centre of symmetry.

Some dyad was then produced, which the respondent did not know to be a dyad; accordingly he did not know it to be even.