Parity
WordNet
noun
(1) Functional equality
(2) (physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
(3) (computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's; e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
(4) (mathematics) a relation between a pair of integers: if both integers are odd or both are even they have the same parity; if one is odd and the other is even they have different parity
"Parity is often used to check the integrity of transmitted data"
(5) (obstetrics) the number of liveborn children a woman has delivered
"The parity of the mother must be considered"
"A bipara is a woman who has given birth to two children"
WiktionaryText
Etymology 1
From < <
Noun
- Equality; comparability of strength or intensity.
- 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.
- The classification of an element of a set with parity into one of the two sets.
- The particles' parities can switch at random.
- Symmetry of interactions under spatial inversion.
- In reversi, the last move within a given sector of the board.
Etymology 2
From <
Noun
- The number of times a woman has given birth.