Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Nucleus" Definition
noun
A central or essential part around which other parts are gathered or grouped; a core: the nucleus of a city.
Source: American Heritage Dictionary
Anatomy A group of specialized nerve cells or a localized mass of gray matter in the brain or spinal cord.
Source: American Heritage Dictionary
Astronomy The central or brightest part of a nebula or galaxy.
Source: American Heritage Dictionary
Astronomy The central portion of the head of a comet.
Source: American Heritage Dictionary
Botany The center of a starch granule.
Source: American Heritage Dictionary
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