a bit that acts as a check on a set of binary values, calculated in such a way that the number of 1s in the set plus the parity bit should always be even (or occasionally, should always be odd)
the ratio between the gold equivalents of currency in two countries
the property of a spatial wave equation that either remains the same (even parity) or changes sign (odd parity) under a given transformation
the property of a spatial wave equation that either remains the same (even parity) or changes sign (odd parity) under a given transformation