1. The process of wearing down or rubbing away by means of friction.
a. A scraped or worn area.
b. A scraped area on the skin or on a mucous membrane, resulting from injury or irritation.
[Medieval Latin abrāsiō, abrāsiōn-, from Latin abrāsus, past participle of abrādere, to scrape off; see ABRADE.]
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:
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.