Definition of "eukaryote" [eukaryote]

• A single-celled or multicellular organism whose cells contain a distinct membrane-bound nucleus. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "‡ The word eukaryote comes from the Greek for “true nucleus."
• "Am I not right when I say that the simplest eukaryote is a heck of a lot more complex than the archaea is?"
• "His theory follows years of analysis of the Archaea and a comparison with bacterial and eukaryote cell lines."