Deviation definition

dēvē-āshən
Frequency:
Deviation is defined as the act of departing from the accepted practice or the norm.

When you always go to the store on Monday and one week you go to the store on Tuesday, this is an example of a deviation.

noun
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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.
noun
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The difference between one number in a set and the mean of the set.
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Deflection of a compass needle caused by local magnetic influence, especially on a ship.
noun
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The act of deviating or turning aside.
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Divergence from an accepted idea, policy, or norm of behavior.
noun
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An instance of this; an abnormality or departure from a norm.
noun
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The state or result of having deviated; a transgression; an act of sin; an error; an offense.
noun
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(contract law) 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.
noun
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(statistics) The difference, especially the absolute difference, between one number in a set of data and the mean of that set of data.
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An instance of this.
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The act or an instance of deviating.
  • Sharp divergence from normal behavior.
  • Divergence from the official ideology or policies of a political party, esp. a Communist party.
  • The deflection of a magnetic compass needle due to magnetic influences; specif., on a ship, such deflection caused by the ship's own magnetic properties.
  • (statistics) The amount by which a number differs from an average or other comparable value.
noun
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(Absolute Deviation) The shortest distance between the center of the target and the point where a projectile hits or bursts.
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(statistics) For interval variables and ratio variables, a measure of difference between the observed value and the mean.
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(metrology) The signed difference between a value and its reference value.
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Other Word Forms

Noun

Singular:
deviation
Plural:
deviations

Origin of deviation

  • From Middle French deviation, from Medieval Latin deviatio

    From Wiktionary