n. (used with a sing. verb)
The branch of genetics that deals with the cellular components, particularly chromosomes, that are associated with heredity.
cy′to·ge·netic, cy′to·ge·neti·cal adj.
cy′to·ge·neti·cist (-sĭst) n.
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.