even parity hamâli-ye zowj Fr.: parité paire A classical variable which does not change upon spatial inversion, such as time, energy, angular momentum and so on. → odd parity. Even, from O.E. efen "level; equal," from P.Gmc. *ebnaz (cf. Ger. eben; Goth. ibns); → parity. Hamâli, → parity; zowj "pair, couple; an even number," from Ar. |