neu·tral·ize (ntrə-līz′, ny-)
tr.v. neu·tral·ized, neu·tral·iz·ing, neu·tral·iz·es
1. To make neutral.
2. To counterbalance or counteract the effect of; render ineffective.
3. To declare neutral and therefore inviolable during a war.
a. To make (a solution) neutral.
b. To cause (an acid or base) to undergo neutralization.
5. Medicine To counteract the effect of (a drug or toxin).
6. Slang To remove as a threat, especially by killing.
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.