europium
Kelime Anlamı :

1. evropiyum.
2. öropiyum.
3. öropiyum (simgesi eu).
4. (eu) öropyum.
5. Eu sembolü ile bilinen atom no: 63 ve atom ağırlığı: 150.0 olan kimyasal element.
Tanımlar :
1. A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. see table at element.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. a metallic chemical element (symbol eu) with an atomic number of 63.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. A metallic element of the rare-earth group (lanthanide series), discovered spectroscopically by Demarcay in 1896. symbol, eu; atomic number 63; at. wt., 151.965 (C=12.011); valence = +2 or +3.
from the GNU version of the Collaborative International Dictionary of English
1. A supposed new element announced by Demarçay in 1901, obtained in very small quantity as oxid, sulphate, etc., from samar-skite and monazite.
from The Century Dictionary and Cyclopedia
1. a bivalent and trivalent metallic element of the rare earth group
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.