sa·​mar·​i·​um | \ sə-ˈmer-ē-əm \

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

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.

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

The first known use of samarium was in 1879

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More Definitions for samarium


sa·​mar·​i·​um | \ sə-ˈmer-ē-əm, -ˈmar- \

Medical Definition of samarium

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

More from Merriam-Webster on samarium

Rhyming Dictionary: Words that rhyme with samarium Encyclopedia article about samarium

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