parity

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1 1.1.1 Noun 1.1.1.1 Antonyms 1.1.1.2 Derived terms 1.2 Etymology 2 1.2.1 Noun

[edit] English

Wikipedia

[edit] Etymology 1

From French parité < Latin paritas < pār (“‘equal’”)

[edit] Noun

parity (countable and uncountable; plural parities)

1. (uncountable) Equality; comparability of strength or intensity.
2. (mathematics, countable) A set with the property of having all of its elements belonging to one of two disjoint subsets, especially a set of integers split in subsets of even and odd elements.

   Parity is always preserved in such operations.

3. (mathematics, countable) The classification of an element of a set with parity into one of the two sets.

   The particles' parities can switch at random.

4. (physics, countable) Symmetry of interactions under spatial inversion.
5. (games, countable) In reversi, the last move within a given sector of the board.

[edit] Antonyms

chirality

[edit] Derived terms

• parity bit

[edit] Etymology 2

From Latin paritas < pariō (“‘give birth’”)

[edit] Noun

parity (plural parities)

1. (medicine, countable) The number of times a woman has given birth.