Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
rapid transit
rapier
rapine
rapini
rapist
rappa
Rappahannock
rappel
rappel bolting
rappen
rapper
rapport
rapporteur
rapprochement
rapscallion
rapt
raptor
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

rare-earth element
rare-earth el·e·ment (plural rare-earth el·e·men·ts)


noun 
Definition:
 
lanthanide element: a member of the lanthanide series, which contains 15 elements that have atomic numbers from 57 to 71 and share closely related chemical properties
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft