Samarium Definition

sə-mârē-əm, -măr-
A silvery or pale gray metallic rare-earth element found in monazite and bastnaesite and used as a dopant for laser materials, in infrared absorbing glass, and as a neutron absorber in certain nuclear reactors. Atomic number 62; atomic weight 150.36; melting point 1,072°C; boiling point 1,794°C; specific gravity (approximately) 7.520 (25°C); valence 2, 3.
American Heritage
A chemical element, one of the rare-earth elements: symbol, Sm; at. no. 62
Webster's New World
  • atomic number 62
  • sm

Origin of Samarium

  • After samarskite, in turn honoring Vasili Samarsky-Bykhovets

    From Wiktionary

  • samar(skite) –ium

    From American Heritage Dictionary of the English Language, 5th Edition

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