an·ti·nu·cle·ar (ăn′tē-nklē-ər, -ny-, ăn′tī-)
1. Opposing the production or use of nuclear power or nuclear weaponry; antinuke.
2. Reacting with the components of a cell nucleus: antinuclear antibodies.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.