samarium
/suh-mair-ee-uhm/US // səˈmɛər i əm //UK // (səˈmɛərɪəm) //
钐,钐的,钐的作用,钡
Definitions
n.名词 noun
- 1
Chemistry.
- : a rare-earth metallic element discovered in samarskite. Symbol: Sm; atomic weight: 150.35; atomic number: 62; specific gravity: 7.49.
Examples
Certain absorption bands at the blue end of the spectrum are supposed to be due to rare elements such as samarium.
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