1. Having the most importance, influence, or force: the predominant theory in the field.
2. Most common or conspicuous; main or prevalent: "Egrets, gulls and small mammals are the predominant wildlife on the island these days" (Dan McCoubrey).
[Medieval Latin praedomināns, praedominant-, present participle of praedominārī, to predominate; see PREDOMINATE.]
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.