Even I thought you'd get it after Grappler's explanation but apparently not Auggie.
Denial... must be bliss for you.
I never thought I'd have to post this...
deviation
diːvɪˈeɪʃ(ə)n/
noun
noun: deviation; plural noun: deviations
1.
the action of departing from an established course or accepted standard. "deviation from a norm"
synonyms: divergence, digression, turning aside, departure, deflection, difference, variation, variance, alteration, veering, straying, fluctuation, aberration, abnormality, irregularity, anomaly, inconsistency, discrepancy, variableness, oddness, freakishness; More
change, shift, veer, swerve, bend, drift
"the slightest deviation from approved procedures could prove disastrous"
2.
Statistics
the amount by which a single measurement differs from a fixed value such as the mean. "a significant deviation from the average value"
3.
the deflection of a ship's compass needle caused by iron in the ship.