[noo-sel-uhs, nyoo-]
noun, plural nucelli [noo-sel-ahy, nyoo-] . Botany.
the central cellular mass of the body of the ovule, containing the embryo sac.

1880–85; < Neo-Latin, equivalent to Latin nuc- (stem of nux) nut + -ella -elle

nucellar, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To nucellar
World English Dictionary
nucellus (njuːˈsɛləs)
n , pl -li
the central part of a plant ovule containing the embryo sac
[C19: New Latin, from Latin nucella, from nux nut]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
nucellus   (n-sěl'əs)  Pronunciation Key 
Plural nucelli (n-sěl'ī)
The megasporangium of a seed-bearing plant, located in the ovule. In angiosperms, it is the central portion of the ovule in which the embryo sac develops. In some cases of apomixis (production of seeds without fertilization), cells of the nucellus develop into an embryo.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Related Words
Related Searches
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature