Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
paralexia
paralinguistics
Paralipomena
paralipomena
Paralipomenon
paralipsis
parallax
parallax view
parallel
parallel bars
parallel broadcast
parallel cousin
parallel evolution
parallel port
parallel pricing
parallel processing
parallel ruler
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

parahydrogen
par·a·hy·dro·gen [ pàrrə hdrəjən ]


noun 
Definition:
 
form of hydrogen: a form of molecular hydrogen in which the two atomic nuclei spin in opposite directions. Parahydrogen makes up about 25 percent of hydrogen molecules.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft