- the act of deviating.
- departure from a standard or norm.
- Statistics. the difference between one of a set of values and some fixed value, usually the mean of the set.
- Navigation. the error of a magnetic compass, as that of a ship, on a given heading as a result of local magnetism.Compare variation(def 8).
- departure or divergence from an established dogma or ideology, especially a Communist one.
Origin of deviation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an act or result of deviating
- statistics the difference between an observed value in a series of such values and their arithmetic mean
- the error of a compass due to local magnetic disturbances
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for deviative
1640s, noun of action from deviate (v.). Statistical sense is from 1858. Related: Deviational.
Online Etymology Dictionary, © 2010 Douglas Harper
- A turning away or aside from a normal course.
- An abnormality.
- Deviant behavior or attitudes.
- The difference, especially the absolute difference, between one number in a set and the mean of the set.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The difference between one number in a set and the mean of the set.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.