europium

noun
eu·​ro·​pi·​um | \ yu̇-ˈrō-pē-əm How to pronounce europium (audio) \

Definition of europium

: a metallic chemical element of the rare-earth group that is used especially in television screens and fluorescent lamps — see Chemical Elements Table

Examples of europium in a Sentence

Recent Examples on the Web In practice, thorium and uranium are difficult to measure in this way, so in the new study, the researchers propose to instead look for europium—another element produced by neutron star collisions that sports a clearer spectroscopic signature. Marcus Woo, Scientific American, 17 Nov. 2020 But if the findings turn out to be true, a search for stellar europium could help astronomers find the planetary systems most likely to harbor habitable worlds. Marcus Woo, Scientific American, 17 Nov. 2020 During the last 34 million years, the fossils slowly absorbed yttrium, europium, terbium, and dysprosium from the fluid trapped in the mud. Jennifer Frazer, Scientific American, 21 Sep. 2020 Rare earth elements were once considered an unwanted byproduct of processing uranium until the phosphorescent properties of europium were deployed in tubes that made color television possible in the 1960s. Aldo Svaldi, The Denver Post, 12 Jan. 2020 The mine started operations in the 1950s by producing europium, which was used to make red colors in early televisions. Pamela Boykoff, CNN, 3 July 2019 With names like europium, scandium and ytterbium, the bulk of rare earth minerals are extracted from mines in China, where lower wages and lax environmental standards make production cheaper and easier. Washington Post, 8 June 2019 Yet the mine's role at the center of the U.S.-China faceoff over 17 elements with names such as neodymium, terbium and europium is not without irony. David J. Lynch, Anchorage Daily News, 11 June 2019 Yet the mine’s role at the center of the U.S.-China faceoff over 17 elements with names such as neodymium, terbium and europium is not without irony. David J. Lynch, Washington Post, 10 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'europium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of europium

1901, in the meaning defined above

History and Etymology for europium

New Latin, from Europa Europe

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Time Traveler for europium

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The first known use of europium was in 1901

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Dictionary Entries Near europium

europic

europium

Europocentric

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Cite this Entry

“Europium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/europium. Accessed 26 Sep. 2021.

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More Definitions for europium

europium

noun
eu·​ro·​pi·​um | \ yu̇-ˈrō-pē-əm How to pronounce europium (audio) \

Medical Definition of europium

: a bivalent and trivalent metallic element of the rare-earth group found in monazite sand symbol Eu — see Chemical Elements Table

More from Merriam-Webster on europium

Britannica.com: Encyclopedia article about europium

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