The meaning of DEVIATION is an act or instance of deviating. How to use deviation in a sentence.

The deviation of a value of x is the difference between it and the mean of the sample. Each deviation is then squared.

The sign of the deviation reports the direction of that difference: the deviation is positive when the observed value exceeds the reference value. The absolute value of the deviation indicates the …

Definition of deviation noun from the Oxford Advanced Learner's Dictionary. [uncountable, countable] deviation (from something) the act of moving away from what most people consider …

Divergence from an accepted idea, policy, or norm of behavior: "Freud, as the leader of a powerful new movement, could not bear much deviation from his own central ideas" (Joseph …

DEVIATION meaning: 1 : an action, behavior, or condition that is different from what is usual or expected; 2 : the difference between the average of a group of numbers and a particular …

de•vi•a•tion /ˌdiviˈeɪʃən/ n. [uncountable] behavior that differs or departs from what is considered and accepted as normal or standard esp. with regard to sexual behavior. a change:[countable] …

There are 12 meanings listed in OED's entry for the noun deviation, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Illustrated definition of Deviation: In general: how far from the normal In statistics: the difference between a single value and the mean of all values...

Anything that varies from the accepted norm or standard is called a deviation. It is common in math and science, but it can refer to anything that differs from the expected.