di·ver·gence (dĭ-vûrjəns, dī-)
a. The act or process of diverging.
b. The state of being divergent.
c. The degree by which things diverge.
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.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.