| Noun | 1. | parity - (obstetrics) the number of live-born 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"maternity, pregnancy, gestation - the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus | |
| 2. | parity - (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 paritymath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement | |
| 3. | parity - (computer science) abit 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 errorcomputer science, computing - the branch of engineering science that studies (with the aid of computers) computable processes and structures bit - a unit of measurement of information (from Binary + digIT); the amount of information in a system having two equiprobable states; "there are 8 bits in a byte" | |
| 4. | parity - (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 systemconservation - (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations | |
| 5. | parity - functional equalityequivalence - essential equality and interchangeability | |