pro·trude  (pr ō-tr d )
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v. pro·trud·ed, pro·trud·ing, pro·trudes v.intr. To extend or jut out; project. See Synonyms at bulge. v.tr. To push or thrust outward: muscles that allow the tongue to be protruded.
pro·trudent (-trdnt) adj. |
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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