sa·​mar·​i·​um | \ sə-ˈmer-ē-əm How to pronounce samarium (audio) \

Definition of samarium

: a silvery-white lustrous metallic element of the rare-earth group that is used especially in permanent magnets — see Chemical Elements Table

Examples of samarium in a Sentence

Recent Examples on the Web To the researchers' shock, perfectly doubled conductance happened in their samarium hexaboride experiment. Rachel Crowell, Scientific American, "Quirky Quantum Tunneling Observed," 9 July 2019 Even the more prized magnetic elements such as neodymium, dysprosium, praseodymium and samarium are humdrum enough that Apple Inc. uses rare-earth magnets to make its power cables stick in place. Washington Post, "We All Need to Calm Down About Rare Earths," 31 May 2019 The observation, in a substance called samarium hexaboride, is still not understood. Quanta Magazine, "An Explorer of Quantum Borderlands," 9 June 2016 The observation, in a substance called samarium hexaboride, is still not understood. Maggie Mckee, WIRED, "The Physicist Who Might Have Discovered a New Building Block of Matter," 24 June 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'samarium.' 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 samarium

1879, in the meaning defined above

History and Etymology for samarium

New Latin, from French samarskite

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Time Traveler for samarium

Time Traveler

The first known use of samarium was in 1879

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Cite this Entry

“Samarium.” Dictionary, Merriam-Webster, Accessed 21 Apr. 2021.

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More Definitions for samarium


sa·​mar·​i·​um | \ sə-ˈmer-ē-əm, -ˈmar- How to pronounce samarium (audio) \

Medical Definition of samarium

: a pale gray lustrous metallic element used especially in alloys that form permanent magnets symbol Sm — see Chemical Elements Table

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