parity

1 of 2

noun (1)

par·​i·​ty ˈper-ə-tē How to pronounce parity (audio)
ˈpa-rə-
plural parities
1
: the quality or state of being equal or equivalent
Women have fought for parity with men in the workplace.
2
a
: equivalence of a commodity price expressed in one currency to its price expressed in another
The two currencies are approaching parity for the first time in decades.
b
: equality of purchasing power established by law between different kinds of money at a given ratio
3
: an equivalence between farmers' current purchasing power and their purchasing power at a selected base period maintained by government support of agricultural commodity prices
parity is the price calculated to give the farmer a fair return in relation to the things he must buy.New York Times
4
a
: the property of an integer with respect to being odd or even
3 and 7 have the same parity
b(1)
: the state of being odd or even used as the basis of a method of detecting errors in binary-coded data (see binary entry 2 sense 5)
(2)
5
: the property of oddness or evenness of a quantum mechanical function
6
: the symmetry of behavior in an interaction of a physical entity (such as a subatomic particle) with that of its mirror image (see mirror image sense 1a)

parity

2 of 2

noun (2)

: the state or fact of having borne offspring
also : the number of children previously borne

Did you know?

Parity has special meanings in such fields as physics, math, medicine, genetics, and marketing. Back when the Soviet Union and the U.S. were opposing superpowers, there was often talk of parity in nuclear weapons between the two sides. We sometimes hear about parity between mental and physical health in insurance coverage, or parity in colleges' funding of men's and women's athletics. But parity may be most common in discussions of currencies. The exchange rate between two national currencies often changes every day, as each drifts higher or lower, and occasionally two similar currencies, such as the euro and the U.S. dollar, will achieve parity, but it rarely lasts long.

Examples of parity in a Sentence

Recent Examples on the Web
Noun
With the predecessor chip, the company had touted how close to parity its performance was to Nvidia’s top chip of the time, H100, and claimed a superior ratio of price versus performance. IEEE Spectrum, 9 Apr. 2024 Gender parity goal imperiled None of this is to say that there hasn’t been real progress in narrowing the gender gap since 2005. Jeanne Sahadi, CNN, 5 Apr. 2024 But the goal of full 50/50 male/female parity is still a long way off. Scott Roxborough, The Hollywood Reporter, 21 Mar. 2024 Will the trend toward parity, largely due to the transfer portal and NIL, continue unabated? Which quarterbacks are set to steal the spotlight? Jon Wilner, The Mercury News, 23 Feb. 2024 Women's college basketball is a newer sport and has historically had less parity than the men's game. Becky Sullivan, NPR, 23 Mar. 2024 Despite EVs reaching cost parity with gas cars by 2027, the average cost of repairs following a major accident could increase by 30 percent within that same time frame. José Rodríguez Jr. / Jalopnik, Quartz, 13 Mar. 2024 But even with little of that money distributed to date, America’s electric ecosystem is starting to reach parity between cords and cars. Kyle Stock, Fortune, 7 Mar. 2024 But after achieving payment parity between MA and traditional Medicare, the Centers for Medicare & Medicaid Services (CMS) has continued to tighten the screws on MA plans. Avik Roy, Forbes, 1 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'parity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun (1)

Latin paritas, from par equal

Noun (2)

-parous

First Known Use

Noun (1)

1572, in the meaning defined at sense 1

Noun (2)

1877, in the meaning defined above

Time Traveler
The first known use of parity was in 1572

Dictionary Entries Near parity

Cite this Entry

“Parity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/parity. Accessed 20 Apr. 2024.

Kids Definition

parity

noun
par·​i·​ty
ˈpar-ət-ē
plural parities
: the quality or state of being equal or equivalent : equality

Medical Definition

parity

noun
par·​i·​ty ˈpar-ət-ē How to pronounce parity (audio)
plural parities
1
: the state or fact of having borne offspring
diagnosis of parity or nulliparity
2
: the number of times a female has given birth counting multiple births as one and usually including stillbirths
gravidity and parity were highly correlated
compare gravidity sense 2

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