Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
promissory
promissory note
promo
promo clip
promontory
promote
promoter
promoter gene
promotion
promotional product
promotive
promotora
prompt
prompt box
prompt note
prompt side
promptbook
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

promethium
pro·me·thi·um [ prə mthee əm ]


noun 
Definition:
 
radioactive metallic element: a radioactive metallic element. Source: fission of uranium, thorium, or plutonium. Use: phosphorescent paints, X-ray source.
Symbol  Pm
[Mid-20th century. After Prometheus]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft