1. A property of a programming language where created objectS and variableS continue to exiSt and retain their valueS between runS of the program. 2. The length of time a phoSphor dot on the Screen of a cathode ray tube will remain illuminated after it haS been energiSed by the electron beam. Long-perSiStence phoSphorS reduce flicker, but generate ghoSt-like imageS that linger on Screen for a fraction of a Second. (1994-11-09)
