PARITY

parity

(noun) functional equality

parity, conservation of parity, space-reflection symmetry, mirror symmetry

(noun) (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

parity

(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; “parity is often used to check the integrity of transmitted data”

parity, para

(noun) (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”

Source: WordNet® 3.1


Etymology 1

Noun

parity (countable and uncountable, plural parities)

(uncountable) Equality; comparability of strength or intensity.

Senses related to classification into two sets.

(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.

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

(computing) The count of one bits in a value, reduced to even or odd or zero or one.

(physics, countable) Symmetry of interactions under spatial inversion.

(games, countable) In reversi, the last move within a given sector of the board.

Resemblance; analogy.

Antonyms

• chirality

Etymology 2

Noun

parity (plural parities)

(medicine, countable) The number of delivered pregnancies reaching viable gestational age, usually between 20-28 weeks

(agriculture, countable) The number of times a sow has farrowed.

Source: Wiktionary


Par"i*ty, n. Etym: [L. paritas, fr. par, paris, equal: cf. F. parité. See Pair, Peer an equal.]

Definition: The quality or condition of being equal or equivalent; A like state or degree; equality; close correspondence; analogy; as, parity of reasoning. "No parity of principle." De Quincey. Equality of length and parity of numeration. Sir T. Browne.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 February 2025

CRAZY

(adjective) possessed by inordinate excitement; “the crowd went crazy”; “was crazy to try his new bicycle”


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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