PARITY • E-FREE TRANSLATION.COM • Definition of Parity

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/pˈɛrəti/ Listen

noun

Parity n.

1.

The quality or condition of being equal or equivalent; a like state or degree; equality; equivalence; close correspondence; analogy; as, parity of reasoning. "No parity of principle." "Equality of length and parity of numeration."

2.

Specifically: (Finance) Equivalence in value to the currency of another country.

3.

(Physics) A property assigned to elementary particles, conceptualized as a form of symmetry, representing the fact that no fundamental distinctions can be observed between right-handed and left-handed systems of particles in their interactions, and supported by the typical observation that the total parity of a system is unchanged as particles are created or annihilated; however, certain interactions involving the weak force have been shown to violate the principle of conservation of parity.

4.

(Physics) A property of the wave function of a system, which takes the value of +1 or -1, indicating whether the value of the wave function changes sign if each of the variables of the system is replaced by its negative.

5.

(Med.) The condition of having borne a child or children, alive or dead.

6.

(Math.) The property of being even or odd; as, 3 has odd parity, but 6 has even parity.

7.

Hence: (Computers) The property of having an even or odd number of bits set to the value of 1 (as opposed to 0); applied to bytes or larger groups of bits in a data structure. It is used mostly in the process of parity checking. The parity of a data structure can be changed by changing the value of the parity bit.

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Etymology of 'Parity'

Collaborative International Dictionary of English 0.48

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"Parity" Quotes from Famous Books

... of the Civil War, though very large in the American memory, has in literature not quite reached a parity with the older matters of the Settlement, the Revolution, and the Frontier, principally, no doubt, because there has been only one period—and that a brief one—of historical romance since the war. In connection with this matter, however, there ...

— Contemporary American Novelists (1900-1920) • Carl Van Doren

... I, "which extinguishes love of country and of everything noble, and brings the minds of its ministers to a parity with those of devils, who ...

— The Romany Rye - A Sequel to 'Lavengro' • George Borrow

... incomprehensible, say the theists; resembling in this the political theorists who regard sovereign representation and perpetual tenure of office as essential conditions of monarchy. But the inconsistency of the ideas is as glaring as the parity of the doctrines is exact: consequently the dogma of immortality soon became the stumbling-block of philosophical theologians, who, ever since the days of Pythagoras and Orpheus, have been making futile ...

— The Philosophy of Misery • Joseph-Pierre Proudhon

... that Tennessee may withdraw one from Burr, and Burr writes that there may be one vote in Vermont for Jefferson. But I hold the latter impossible, and the former not probable; and that there will be an absolute parity between the two republican candidates. This has produced great dismay and gloom on the republican gentlemen here, and exultation in the federalists, who openly declare they will prevent an election, and will name a president of the Senate pro tem. ...

— Memoirs of Aaron Burr, Complete • Matthew L. Davis

... Dryden felt this evil in its full extent. Sterne has said of a character, that a blessing which closed his mouth, or a misfortune which opened it with a good grace, were nearly equal to him; nay, that sometimes the misfortune was the more acceptable of the two. It is possible, by a parity of reasoning, that Dryden may have felt himself rather relieved from, than deprived of, his fanatical patrons, under whose guidance he could never hope to have indulged in that career of literary pursuit, ...

— The Dramatic Works of John Dryden Vol. I. - With a Life of the Author • Sir Walter Scott

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