Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
heavy hydrogen
heavy industry
heavy-laden
heavy lifting
heavy metal
heavy oil
heavy particle
heavy spar
heavy water
heavy-water reactor
heavyset
heavyweight
Heb.
hebdomad
hebdomadal
Hebdomadal Council
Hebe
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

heavy water
heav·y wa·ter


noun 
Definition:
 
water with deuterium not hydrogen: water that has had its hydrogen atoms replaced with the hydrogen isotope deuterium. Use: nuclear reactors. D2O
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft