parity Definition

parity
noun parities

1. Equality in status, eg in pay.
2. Precise equivalence; exact correspondence.

Thesaurus: equality, similarity, affinity, par, congruence, likeness, sameness, uniformity.
3. commerce.
An established equivalence between a unit of national currency and an amount in another national currency.
4. math.
Said of two or more numbers: the property of both or all being either odd or even.
5. Said of the laws of physics: exact correspondence in a right- or left-handed system of co-ordinates.

Etymology: 16c: from Latin paritas, from par equal.