'deviation' definitions:

Definition of 'deviation'

From: WordNet
noun
A variation that deviates from the standard or norm; "the deviation from the mean" [syn: deviation, divergence, departure, difference]
noun
The difference between an observed value and the expected value of a variable or function
noun
The error of a compass due to local magnetic disturbances
noun
Deviate behavior [syn: deviation, deviance]
noun
A turning aside (of your course or attention or concern); "a diversion from the main highway"; "a digression into irrelevant details"; "a deflection from his goal" [syn: diversion, deviation, digression, deflection, deflexion, divagation]

Definition of 'deviation'

From: GCIDE
  • deviation \de`vi*a"tion\, n. [LL. deviatio: cf. F. d['e]viation.]
  • 1. The act of deviating; a wandering from the way; variation from the common way, from an established rule, etc.; departure, as from the right course or the path of duty. [1913 Webster]
  • 2. The state or result of having deviated; a transgression; an act of sin; an error; an offense. [1913 Webster]
  • 3. (Com.) The voluntary and unnecessary departure of a ship from, or delay in, the regular and usual course of the specific voyage insured, thus releasing the underwriters from their responsibility. [1913 Webster]
  • 4. (Statistics, Physics) the difference between an expected value of an observation or measurement and the actual value. [PJC]
  • Deviation of a falling body (Physics), that deviation from a strictly vertical line of descent which occurs in a body falling freely, in consequence of the rotation of the earth.
  • Deviation of the compass, the angle which the needle of a ship's compass makes with the magnetic meridian by reason of the magnetism of the iron parts of the ship.
  • Deviation of the line of the vertical, the difference between the actual direction of a plumb line and the direction it would have if the earth were a perfect ellipsoid and homogeneous, -- caused by the attraction of a mountain, or irregularities in the earth's density. [1913 Webster]

Synonyms of 'deviation'

From: Moby Thesaurus