parity1
Pronunciation: /ˈparɪti/
noun
- 1the state or condition of being equal, especially as regards status or pay: parity of incomes between rural workers and those in industrial occupations
- equivalent value of one currency in terms of another at an established exchange rate: the euro’s parity with the dollar
- 2 Mathematics (of a number) the fact of being even or odd.
- Physics the property of a spatial wave equation that either remains the same ( even parity) or changes sign ( odd parity) under a given transformation.
- Physics the value of a quantum number corresponding to parity.
- Computing a function whose being even (or odd) provides a check on a set of binary values.
Origin:
late 16th century: from late Latin paritas, from par 'equal'