aer·ate  (âr āt)
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tr.v. aer·at·ed, aer·at·ing, aer·ates 1. To supply with air or expose to the circulation of air: aerate soil. 2. To expose to oxygen, as in the oxygenation of the blood by respiration. 3. To supply or charge (liquid) with a gas, especially to charge with carbon dioxide.
aer·ation n. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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:
Indo-European Roots
Semitic Roots
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.
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