- Parity is a situation where two or more things are equal.
An example of parity is parity in income, where two or more groups of people earn the same amount of money.
parity definition by Webster's New World
- the state or condition of being the same in power, value, rank, etc.; equality
- resemblance; similarity
- equivalence in value of one currency expressed in terms of another country's currency
- equality of value at a given ratio between different kinds of money, commodities, etc.
- ☆ a price for certain farm products, usually maintained by government price supports, designed to keep the purchasing power of the farmer at the level of a designated base period
- Math. the condition existing between two integers that are both odd or both even
- Physics a symmetry property of a wave function: expressed as +1 if no difference can be detected between the wave function and its mirror image, and as -1 if the wave function is changed only in sign
Origin: French parité ; from Classical Latin paritas ; from par, equal: see par
Origin: ; from Classical Latin parere, to bear (see -parous) plush -ity
parity definition by American Heritage Dictionary
noun pl. par·i·ties
- Equality, as in amount, status, or value.
- 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).
- The equivalent in value of a sum of money expressed in terms of a different currency at a fixed official rate of exchange.
- Equality of prices of goods or securities in two different markets.
- 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.
- 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.
- Abbr. P Physics a. An intrinsic symmetry property of subatomic particles that is characterized by the behavior of the wave function of such particles under reflection through the origin of spatial coordinates.b. A quantum number, either +1 (even) or -1 (odd), that mathematically describes this property.
- Computer Science 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.
Origin: French parité, from Old French parite, from Late Latin paritās, from pār, par-, equal; see pair .
- The condition of having given birth.
- The number of children borne by one woman.
Origin: Latin parere, to give birth, bring forth; see perə-1 in Indo-European roots + -ity.
parity - Business Definition
parity - Computer Definition
- The state or quality of equality, i.e., being the same, or identical.
- In the context of mathematics, the quality of being equally odd or equally even. If two numbers are both odd in value, or both are even in value, parity exists. If one number is odd and the other is even, no parity exists.
- In error control, the quality of being equally odd or equally even. If the dataset, as transmitted, has an odd (or even) number of 1 bits and the dataset, as received, has an odd (or even) number of 1 bits, parity exists. If the dataset, as transmitted, has an odd (or even) number of 1 bits and the dataset, as received, has an even (or odd) number of 1 bits, parity does not exist. See also error control, parity bit, and parity check.
parity - Investment & Finance Definition
Equality. The term is used in the foreign exchange market to talk about two currencies’ parity with each other. For instance, as the exchange rate for the dollar and euro both approach 1, they are said to be at parity.
parity - Medical Definition
parity - Science Definition
- 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.