cerium
noun
ce·ri·um
| \ ˈsir-ē-əm
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Definition of cerium
: a malleable ductile metallic element that is the most abundant of the rare-earth group — see Chemical Elements Table
Examples of cerium in a Sentence
Recent Examples on the Web
Marine scientists at China’s Guangxi Key Laboratory recently deduced the strength of East Asian winter monsoons over the past 150 years by measuring levels of rare earth elements, such as lanthanum and cerium, in each layer of a Porites coral core. — Quanta Magazine, "Cores From Coral Reefs Hold Secrets of the Seas’ Past and Future," 29 May 2018 Next door to the oven, more than 150 bags of neodymium and praseodymium and cerium sat on a warehouse floor to be shipped to customers around the world. — Alexandra Stevenson, New York Times, "How Rare Earths (What?) Could Be Crucial in a U.S.-China Trade War," 11 July 2018 Marine scientists at China’s Guangxi Key Laboratory recently deduced the strength of East Asian winter monsoons over the past 150 years by measuring levels of rare earth elements, such as lanthanum and cerium, in each layer of a Poritescoral core. — Elizabeth Svoboda, Scientific American, "Cores from Coral Reefs Hold Secrets of the Seas’ Past and Future," 6 June 2018 Instead of neodymium or dysprosium, the magnet uses less-expensive rare-earth metals lanthanum and cerium. — Megan Geuss, Ars Technica, "Toyota’s new magnet won’t depend on some key rare-earth minerals," 28 Feb. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cerium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for cerium
cerium
noun
ce·ri·um
| \ ˈsir-ē-əm
\
\
Medical Definition of cerium
: a malleable ductile metallic element that is the most abundant of the rare-earth group
—symbol Ce
— see Chemical Elements Table