Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
nuclear power
nuclear power station
nuclear reaction
nuclear reactor
Nuclear Regulatory Commission
nuclear reprocessing plant
nuclear sap
nuclear submarine
nuclear threshold
nuclear warhead
nuclear waste
nuclear weapon
nuclear winter
nuclearize
nuclease
nucleate
nucleation
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

nuclear threshold
nu·cle·ar thresh·old


noun 
Definition:
 
point where nuclear weapons are first used: the point in a war being fought with conventional weapons when one of the opposing forces decides to use nuclear weapons
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft