Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
projection room
projection television
projectionist
projective
projective geometry
projective test
projector
projet
prokaryon
prokaryote
prolabor
prolactin
prolamine
prolapse
prolate
prole
proleg
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

prokaryon
pro·kar·y·on [ prō kárree òn ] (plural pro·kar·y·on)


noun 
Definition:
 
nucleus of cell: the nucleus of a cell or organism with no membrane separating the area containing DNA from the rest of it
[Mid-20th century. < Greek pro- "before" + karuon "nut"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft