# parity

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Related to parity: parity bit

## par·i·ty^{ 1}

(păr′ĭ-tē)*n.*

*pl.*

**par·i·ties**

**1.**Equality, as in amount, status, or value.

**2.**Functional equivalence, as in the weaponry or military strength of adversaries: "A problem that has troubled the U.S.-Soviet relationship from the beginning has been the issue of parity" (Charles William Maynes).

**3.**The equivalent in value of a sum of money expressed in terms of a different currency at a fixed official rate of exchange.

**4.**Equality of prices of goods or securities in two different markets.

**5.**A level for farm-product prices maintained by governmental support and intended to give farmers the same purchasing power they had during a chosen base period.

**6.**

*Mathematics*The even or odd quality of an integer. If two integers are both odd or both even, they are said to have the same parity; if one is odd and one even, they have different parity.

**7.**

*Abbr.*

**P**

*Physics*

**a.**An intrinsic symmetry property of a physical system, such as a subatomic particle, that specifies how the system would behave if the three spatial coordinates were reversed from

*x, y, z*to

*-x, -y, -z.*

**b.**A quantum number, either +1 (even) or -1 (odd), that mathematically represents this property.

**8.**

*Computers*

**a.**The even or odd quality of the number of 1's or 0's in a binary code, often used to determine the integrity of data especially after transmission.

**b.**A parity bit.

[French parité, from Old French parite, from Late Latin paritās, from pār, par-,

*equal*; see**pair**.]## par·i·ty^{ 2}

(păr′ĭ-tē)*n.*

**1.**The condition of having given birth.

**2.**The number of children borne by one woman.

[Latin parere,

*to give birth, bring forth*; see perə-^{1}in the Appendix of Indo-European roots + -ity.]## parity

(ˈpærɪtɪ)*n*,

*pl*

**-ties**

**1.**equality of rank, pay, etc

**2.**close or exact analogy or equivalence

**3.**(Banking & Finance)

*finance*

**a.**the amount of a foreign currency equivalent at the established exchange rate to a specific sum of domestic currency

**b.**a similar equivalence between different forms of the same national currency, esp the gold equivalent of a unit of gold-standard currency

**4.**(Banking & Finance) equality between prices of commodities or securities in two separate markets

**5.**(General Physics)

*physics*

**a.**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**)

**b.**a quantum number describing this property, equal to +1 for even parity systems and –1 for odd parity systems. Symbol:

**See also conservation of parity**

*P***6.**(Mathematics)

*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

**7.**(Agriculture) (in the US) a system of government support for farm products

[C16: from Late Latin

*pāritās;*see par]## parity

(ˈpærɪtɪ)*n*

**1.**(Gynaecology & Obstetrics) the condition or fact of having given birth

**2.**(Gynaecology & Obstetrics) the number of children to which a woman has given birth

[C19: from Latin

*parere*to bear]## par•i•ty^{1}

(ˈpær ɪ ti) *n.,*

*pl.*

**-ties.**

**1.**equality, as in amount, status, or character.

**2.**equivalence or correspondence; similarity.

**3.**

**a.**equivalent value in the currency of another country.

**b.**equivalent value at a fixed ratio between moneys of different metals.

**4.**the property of symmetry between a subatomic particle and its mirror image, indicated by + 1 if the two are indistinguishable and by −1 if they are different.

**5.**a system of regulating prices of farm commodities, usu. by government price supports, to provide farmers with the same purchasing power they had in a selected base period.

**6.**the status, as even or odd, of the total number of bits per byte or word: used to detect errors in a computer system or in data communications.

## par•i•ty^{2}

(ˈpær ɪ ti) *n.*

**1.**the condition of having borne offspring.

**parity**

the state, quality, or fact of having given birth to or having borne offspring.

See also: BirthThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | parity - (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"midwifery, obstetrics, tocology, OB - the branch of medicine dealing with childbirth and care of the mother |

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 parity; "parity is often used to check the integrity of transmitted data"math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement mathematical relation - a relation between mathematical expressions (such as equality or inequality) evenness - the parity of even numbers (divisible by two) oddness - the parity of odd numbers (not divisible by two) | |

3. | parity - (computer science) a bit 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 systemnatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" conservation - (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations | |

5. | parity - functional equalityequivalence - essential equality and interchangeability |

## parity

*noun*equality, correspondence, consistency, equivalence, quits

*(informal)*, par, unity, similarity, likeness, uniformity,

**equal terms**, sameness, parallelism, congruity Women have yet to achieve wage parity with men in many fields.

## parity

*noun*

The state of being equivalent:

Translations

## parity

*n*

(= equality) → Gleichstellung

*f*; (of opportunities) → Gleichheit*f*;**parity**of treatment → Gleichstellung*f*;**parity**of pay → Lohngleichheit*f*(US Agr) → Preisparität

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