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prokaryote Line breaks: pro|kary¦ote
Pronunciation: /prəʊˈkarɪəʊt/
(also procaryote)

Definition of prokaryote in English:


A microscopic single-celled organism which has neither a distinct nucleus with a membrane nor other specialized organelles, including the bacteria and cyanobacteria. Compare with eukaryote.
Example sentences
  • These proteins are expressed by all organisms ranging from prokaryotes to higher eukaryotes, including human cells.
  • In a few organisms called prokaryotes, there is no defined nucleus and the DNA is found throughout the cell.
  • The difference between eukaryotes and prokaryotes is that eukaryotes have a nucleus, while prokaryotes do not.


Pronunciation: /prəʊkarɪˈɒtɪk/
Example sentences
  • The structural integrity of recombinant products generated by prokaryotic and eukaryotic organisms is a major concern.
  • This is a region of highest conservation, which consists of amino acids that are identical in both the prokaryotic and eukaryotic homologs.
  • Several OYE homologues have been reported in prokaryotic and eukaryotic organisms.


1960s: from pro-2 'before' + Greek karuon 'nut, kernel' + -ote as in zygote.

Definition of prokaryote in:
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