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samarium
[ suh-mair-ee-uhm ]
/ səˈmɛər i əm /
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noun Chemistry.
a rare-earth metallic element discovered in samarskite. Symbol: Sm; atomic weight: 150.35; atomic number: 62; specific gravity: 7.49.
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We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
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Which of the following words describes “sky blue”?
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Origin of samarium
From New Latin, dating back to 1875–80; see origin at samarskite, -ium
Words nearby samarium
Samarang, Samaria, samariform, Samarinda, Samaritan, samarium, Samarkand, Samarra, samarskite, Sama-Veda, samba
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use samarium in a sentence
Certain absorption bands at the blue end of the spectrum are supposed to be due to rare elements such as samarium.
British Dictionary definitions for samarium
samarium
/ (səˈmɛərɪəm) /
noun
a silvery metallic element of the lanthanide series occurring chiefly in monazite and bastnaesite and used in carbon-arc lighting, as a doping agent in laser crystals, and as a neutron-absorber. Symbol: Sm; atomic no: 62; atomic wt: 150.36; valency: 2 or 3; relative density: 7.520; melting pt: 1074°C; boiling pt: 1794°C
Word Origin for samarium
C19: New Latin, from samarskite + -ium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for samarium
samarium
[ sə-mâr′ē-əm, -măr′- ]
n. Symbol Sm
A metallic rare-earth element used in alloys, in infrared absorbing glass, and as a neutron absorber in certain nuclear reactors. Atomic number 62.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for samarium
samarium
[ sə-mâr′ē-əm ]
Sm
A silvery-white metallic element of the lanthanide series that exists in several forms and has seven naturally occurring isotopes. It is used to make glass that absorbs infrared light and to absorb neutrons in the fuel rods of nuclear reactors. Atomic number 62; atomic weight 150.36; melting point 1,072°C; boiling point 1,791°C; specific gravity approximately 7.50; valence 2, 3. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.