- equality, as in amount, status, or character.
- equivalence; correspondence; similarity; analogy.
- equivalence in value in the currency of another country.
- equivalence in value at a fixed ratio between moneys of different metals.
- a property of a wave function, expressed as +1 or −1 and noting the relation of the given function to the function formed when each variable is replaced by its negative, +1 indicating that the functions are identical and −1 that the second function is the negative of the first.
- Also called intrinsic parity.a number +1 or −1 assigned to each kind of elementary particle in such a way that the product of the parities of the particles in a system of particles multiplied by the parity of the wave function describing the system is unchanged when particles are created or annihilated.
- a system of regulating prices of farm commodities, usually by government price supports, to provide farmers with the same purchasing power they had in a selected base period.
- Computers. the condition of the number of items in a set, particularly the number of bits per byte or word, being either even or odd: used as a means for detecting certain errors.
Origin of parity1
- the condition or fact of having borne offspring.
- para5(def 1).
Origin of parity2
Examples from the Web for parity
On one hand, the rising drinking among women is a sign of parity.Elizabeth Peña and the Truth About Alcoholic Women
October 24, 2014
Early on, Oates establishes a parity between Cressida and Corporal Kincaid that runs the course of the narrative.Can Joyce Carol Oates Write a War Novel?
January 30, 2014
Our Framers intended for there to be equality and parity amongst the three branches of government.Obama’s SOTU Speech Proves He’s a Repeat Defender Who Can’t Govern
January 30, 2014
The number of federal judges appointed by Republicans and by Democrats is at parity with 390 each—and 93 vacancies.The GOP’s Nuclear Winter Strategy
December 2, 2013
The Icelandic kroner was introduced in 1922 at parity with the Danish krona and has since then lost 95.95% of its value.How Well is Iceland Doing?
January 22, 2013
And thus there is no parity between their prayers and the Church's suffrages.On Prayer and The Contemplative Life
St. Thomas Aquinas
By parity of non-sequitur, we are, therefore, to surrender the active is building.The Verbalist
Thomas Embly Osmun, (AKA Alfred Ayres)
He wanted Johnson to concentrate his attack on the parity question.Integration of the Armed Forces, 1940-1965
Morris J. MacGregor, Jr.
With us, able to live off ourselves, there is more approach to parity.Lessons of the war with Spain and other articles
Alfred T. Mahan
There had to be a parity of ranks; and the same principle might well apply to fortunes.Sir Walter Ralegh
- equality of rank, pay, etc
- close or exact analogy or equivalence
- the amount of a foreign currency equivalent at the established exchange rate to a specific sum of domestic currency
- a similar equivalence between different forms of the same national currency, esp the gold equivalent of a unit of gold-standard currency
- equality between prices of commodities or securities in two separate markets
- a property of a physical system characterized by the behaviour of the sign of its wave function when all spatial coordinates are reversed in direction. The wave function either remains unchanged (even parity) or changes in sign (odd parity)
- a quantum number describing this property, equal to +1 for even parity systems and –1 for odd parity systemsSymbol: P See also conservation of parity
- maths a relationship between two integers. If both are odd or both even they have the same parity; if one is odd and one even they have different parity
- (in the US) a system of government support for farm products
- the condition or fact of having given birth
- the number of children to which a woman has given birth
Word Origin and History for parity
1570s, "equality of rank or status," from Middle French parité (14c.) or directly from Late Latin paritas "equality," from Latin adjective par (genitive paris) "equal" (see pair (n.)). Meaning "condition in which adversaries have equal resources" is from 1955, originally in reference to the U.S.A. and the U.S.S.R.
- The state of having given birth to an infant or infants.
- The property of a physical system that entails how the system would behave if the coordinate system were reversed, each dimension changing sign from x, y, z to -x, -y, -z. If a system behaves in the same way when the coordinate system is reversed, then it is said to have even parity; if it does not, it is said to have odd parity. For bosons, the antiparticle of any given particle has the same parity, odd or even, as that particle. For fermions, the antiparticle has the opposite parity. See also conservation law parity conjugation.
- A quantum number, either +1 or -1, that mathematically describes this property.
- The number of 1's in a piece of binary code, generally taken as the quality of odd or even rather than as a specific number. The parity of packets of binary data is often transmitted along with the data to help detect whether the value of any bits has been altered.