Meaning of DEVIATION in English

[] n (15c): an act or instance of deviating: as a: deflection of the needle of a compass caused by local magnetic influences (as in a ship) b: the difference between a value in a frequency distribution and a fixed number (as the mean) c: departure from an established ideology or party line d: noticeable or marked departure from accepted norms of behavior -- n -- n or adj

Merriam-Webster English vocab.      Английский словарь Merriam Webster.