Meaning : An organism with cells characteristic of all life forms except primitive microorganisms such as bacteria. I.e. an organism with `good' or membrane-bound nuclei in its cells.
Synonyms : eucaryote
A unicellular organism having cells lacking membrane-bound nuclei. Bacteria are the prime example but also included are blue-green algae and actinomycetes and mycoplasma.
procaryote, prokaryote