Meaning Of The Word Thulium
What's the definition of Thulium? Find Thulium meanings, definitions and more at the Real Dictionary online.
Thulium Meaning
| Thulium Definition |
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What's The Definition Of Thulium?
thulium in American English
a bright, silvery chemical element, one of the rare-earth elements: symbol, Tm; at. no., 69 noun: a rare-earth metallic element found in the minerals euxenite, gadolinite, etc; at. wt.: 168.934; at. no.: 69; sp. gr.: 9.32 thulium in British English noun: a malleable ductile silvery-grey element occurring principally in monazite. The radioisotope thulium-170 is used as an electron source in portable X-ray units. Symbol: Tm; atomic no: 69; atomic wt: 168.93421; valency: 3; relative density: 9.321; melting p |
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