parity

1. (noun) functional equality
Related Words: equivalence

2. (noun) 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
Synonyms: conservation of parity, mirror symmetry, space-reflection symmetry
Related Words: conservation, conservation law

3. (noun) (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
Related Words: mathematical relation

4. (noun) (computer science) an error detection procedure in which a bit (0 or 1) 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
Synonyms: parity bit
Related Words: bit



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