Pronunciation: (yOO-kar'ē-ōt", -ē-ut), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/eukaryote.html on line 77 [key]
any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm, a membrane-bound nucleus enclosing genetic material organized into chromosomes, and an elaborate system of division by mitosis or meiosis, characteristic of all life forms except bacteria, blue-green algae, and other primitive microorganisms. Also,eucaryote.Cf. prokaryote.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.