n. philosophical system recognizing only facts and observable phenomena. positivist n. & adj. positron / pozi,troni n. Physics elementary particle with the same mass as but opposite (positive) charge to an electron. [positive electron]
n. philosophical system recognizing only facts and observable phenomena. positivist n. & adj. positron / pozi,troni n. Physics elementary particle with the same mass as but opposite (positive) charge to an electron. [positive electron]