2. A departure from a norm; a deviation. See Synonyms at deviation.

3. A difference between or among items: "riven as the country was with competing interests and a wide divergence of incomes and ambitions" (James Conaway). See Synonyms at difference.

4. 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.

5. Mathematics The property or manner of diverging; failure to approach a limit.

6. Physiology A turning of both eyes outward from a common point or of one eye when the other is fixed.

7. Meteorology A condition characterized by the uniform expansion in volume of a mass of air over a region, usually accompanied by fair dry weather.