eu·kar·y·ote also eu·car·y·ote (y-kărē-ōt, -ē-ət)
Any of various single-celled or multicellular organisms of the domain Eukaryota, characterized by cells that contain a distinct membrane-bound nucleus and by the occurrence of DNA transcription inside the nucleus and protein synthesis in the cytoplasm, in contrast to prokaryotes.
[EU- + Greek karuōtos, having nuts (from karuon, nut; see kar- in the Appendix of Indo-European roots).]
eu·kar′y·otic (-ŏtĭk) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.