cerium
pronunciation
How to pronounce cerium in British English:
UK [ˈsɪəriəm]
How to pronounce cerium in American English:
US [ˈsɪriəm]
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- Noun:
- a ductile gray metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group
Word Origin
- cerium (n.)
- element, first isolated in pure form in 1875, named for ceria, the name of the earth from which it was taken, which was discovered in 1803 and named by Berzelius and Hissinger for Ceres, the minor planet, which had been discovered in 1801 and named for the Roman goddess Ceres.
Example
- 1. It does this because heating cerium oxide drives oxygen atoms out of its crystal lattice .
- 2. But if ames lab can make something in between for electric vehicles and wind turbines , cerium can help conserve neodymium .
- 3. In fact , japanese imports of certain key chinese rare earths , including the oxides lanthanum and cerium , actually rose in 2010 from the previous year .
- 4. Mccallum is trying to find an element , such as hydrogen or nitrogen , to mix with cerium that will keep cerium 's problematic electron from misbehaving .
- 5. He cited the glass industry , which has replaced its consumption of cerium with selenium over the past year as prices of the rare earth rose to $ 135 per kilo currently from just $ 3.88 per kilo in 2009 .