From Longman Dictionary of Contemporary EnglishRelated topics: Mathsdeviationde‧vi‧a‧tion /ˌdiːviˈeɪʃən/●くろまる○しろまる○しろまるAWL noun1[countable, uncountable]NORMAL# a noticeabledifference from what is expected or acceptabledeviation fromdeviation from the normal procedure2[countable]SGHMHMSG technical the difference between a number or measurement in a set and the average of all the numbers or measurements in that set →standard deviationExamples from the Corpusdeviation• Some even feared deviation from their own narrowpath, as if deviants were excluded from heaven or segregated.• A closerexamination of the CelticChurchreveals a much greater deviation from Rome than is generally acknowledged or even known.• The result: a 42 percentincrease in productivity and a 70 percent decrease in errors or deviations.• That is, that line which minimizes the sum of squareddeviations from the line. 4.• To counteract this deviation from academicdetachment, an experiment in consultation was conducted.deviation from• Midwivesconsult with a doctor if there is any deviation fromnormality during the birth.From Longman Business Dictionarydeviationde‧vi‧a‧tion /ˌdiːviˈeɪʃən/ noun1[countable, uncountable] a noticeable difference from what is expected or acceptableAny deviation in the current inflation rate could send stocks sharply up or down.deviation fromThe sudden rise in market prices was an unexpected deviation from the norm.2[countable]STATISTICS a difference between a number or measurement in a set and the average of all the numbers or measurements in that set →standard deviation