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Definition of prokaryote - 4 dictionary results

pro⋅kar⋅y⋅ote

[proh-kar-ee-oht, -ee-uht]
–noun
any cellular organism that has no nuclear membrane, no organelles in the cytoplasm except ribosomes, and has its genetic material in the form of single continuous strands forming coils or loops, characteristic of all organisms in the kingdom Monera, as the bacteria and blue-green algae.
Compare eukaryote.


Origin:
taken as sing. of NL Prokaryota, earlier Procaryotes (1925); see pro- 1 , eukaryote


pro⋅kar⋅y⋅ot⋅ic [proh-kar-ee-ot-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To prokaryote
pro·kar·y·ote also pro·car·y·ote   (prō-kār'ē-ōt')   
n.  An organism of the kingdom Monera (or Prokaryotae), comprising the bacteria and cyanobacteria, characterized by the absence of a distinct, membrane-bound nucleus or membrane-bound organelles, and by DNA that is not organized into chromosomes. Also called moneran.

[French procaryote : Greek pro-, before; see pro-2 + Greek karuōtos, having nuts (from karuon, nut; see karyo-).]
pro·kar'y·ot'ic (-ŏt'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: pro·kary·ote
Variant: also pro·cary·ote /(')prO-'kar-E-"Ot/
Function: noun
: a cellular organism(as a bacterium or a blue-green alga) that does not have a distinct nucleus —compare EUKARYOTEpro·kary·ot·ic also pro·cary·ot·ic /-"kar-E-'ät-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

prokaryote pro·kar·y·ote or pro·car·y·ote (prō-kār'ē-ōt')
n.
An organism of the kingdom Prokaryotae, constituting the bacteria and cyanobacteria, characterized by the absence of a nuclear membrane and by DNA that is not organized into chromosomes.


pro·kar'y·ot'ic (-ŏt'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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