Physiology A turning of both eyes outward from a common point or of one eye when the other is fixed.
Departure from a norm; deviation.
Difference, as of opinion. See Synonyms at deviation, difference.
Biology The evolutionary tendency or process by which animals or plants that are descended from a common ancestor evolve into different forms when living under different conditions.
Mathematics The property or manner of diverging; failure to approach a limit.
A meteorological condition characterized by the uniform expansion in volume of a mass of air over a region, usually accompanied by fair dry weather.