mass noun
1
- the state or condition of being equal, especially as regards status or pay（尤指地位、工资方面）相同, 相等：
parity of incomes between rural workers and those in industrial occupations.
农业工人和在工业岗位的工人的收入相同。
1.1
- the value of one currency in terms of another at an established exchange rate平价（指两种不同货币的法定汇率）。
2
- Mathematics (of a number) the fact of being even or odd【数】（数字）奇偶性。
2.1
- Physics the property of a spatial wave equation that either remains the same (even parity) or changes sign (odd parity) under a given transformation【物理】宇称。
2.2
- Physics the value of a quantum number corresponding to this property【物理】宇称性。
2.3
- Computing a function whose being even (or odd) provides a check on a set of binary values【计算机】奇偶校验。
词源
late 16th cent.: from late Latin paritas, from par 'equal'.