1. A member of the same kind, class, or group.
2. An organism belonging to the same taxonomic genus as another organism.
3. Chemistry A compound produced in the same process that produces another, often structurally similar compound.
[From Latin, of the same race : com-, com- + genus, gener-, race; see genə- in the Appendix of Indo-European roots.]
con′ge·neric (-nĕrĭk), con·gener·ous (kən-jĕnər-əs, kŏn-) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.