variance

Universal Words noun [U,C] (formal) the amount by which sth changes or is different from sth else: variance in temperature / pay * a note with subtle variances of pitch IDIOMS at variance (with sb/sth) (formal) disagreeing with or opposing sb/sth: These conclusions are totally at variance with the evidence. * He uttered a string of oaths, so oddly at variance with his usual smooth and civilized manner.