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nuclein
nucleo-
nucleocapsid
nucleoid
nucleolar
nucleolar organizer
nucleolus
nucleon
nucleon number
nucleonics
nucleophile
nucleoplasm
nucleoprotein
nucleoside
nucleosome
nucleosynthesis
nucleotide
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nucleon number
nu·cle·on num·ber


noun 
Definition:
 
physics 
Same as  mass number
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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