dev·o·lu·tion (dĕv′ə-lshən, dē′və-)
1. A passing down or descent through successive stages of time or a process.
2. Transference, as of rights or qualities, to a successor.
3. Delegation of authority or duties to a subordinate or substitute.
4. A transfer of powers from a central government to local units.
5. Biology Degeneration.
[Late Latin dēvolūtiō, dēvolūtiōn-, from Latin dēvolūtus, past participle of dēvolvere, to roll down, fall to; see DEVOLVE.]
dev′o·lution·ar′y (-shə-nĕr′ē) adj.
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:
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