samarium

sa·mar·i·um

S s

Definitions of samarium word

noun samarium a rare-earth metallic element discovered in samarskite. Symbol: Sm; atomic weight: 150.35; atomic number: 62; specific gravity: 7.49. 1
noun samarium 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 0
noun samarium a chemical element, one of the rare-earth elements: symbol, Sm; at. no., 62 0

before 1875

One of the 25% newest English words

From New Latin, dating back to 1875-80; See origin at samarskite, -ium

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

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