europium
a rare-earth metallic element whose salts are light pink. Symbol: Eu; atomic weight: 151.96; atomic number: 63.
Origin of europium
1Words Nearby europium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use europium in a sentence
Particularly important are its unusually high amounts of nitrogen, zinc, and heavy elements including europium and uranium.
New Type of Stellar Explosion Could Explain the Mystery of the Milky Way’s Elements | Gary Da Costa | July 8, 2021 | Singularity HubOne turning point came in 2015, when Bartholomew, Sellars and colleagues designed a memory device made from europium nuclei embedded in a crystal that could store fragile quantum states for six hours, with the potential to extend this to days.
Quantum Double-Slit Experiment Offers Hope for Earth-Size Telescope | Thomas Lewton | May 5, 2021 | Quanta Magazine
British Dictionary definitions for europium
/ (jʊˈrəʊpɪəm) /
a soft ductile reactive silvery-white element of the lanthanide series of metals: used as the red phosphor in colour television and in lasers. Symbol: Eu; atomic no: 63; atomic wt: 151.965; valency: 2 or 3; relative density: 5.244; melting pt: 822°C; boiling pt: 1527°C
Origin of europium
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for europium
[ yu-rō′pē-əm ]
A very rare, silvery-white metallic element that is the softest member of the lanthanide series. It is used in making color television tubes and lasers and as a neutron absorber in nuclear 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 Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse