e·lec·trol·y·sis (ĭ-lĕk-trŏlĭ-sĭs, ē′lĕk-)
1. Chemical change, especially decomposition, produced in an electrolyte by an electric current.
2. Destruction of living tissue, especially of hair roots, by means of an electric current applied with a needle-shaped electrode.
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.