- A turning away or aside from the normal point or course.
- An abnormality.
- In psychiatry and the behavioral sciences, a departure from an accepted norm, role, or rule.
- A statistical measure representing the difference between an individual value in a set of values and the mean value in that set.
[L. devio, to turn from the straight path, fr. de, from, + via, way]
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Examples: glitazone, GI cocktail, etc.