Definition of thulium Thulium
thu•li•um
We found 5 definitions of thulium from 5 different sources.
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What does thulium mean?
Wiktionary 
- thulium (Noun)
A metallic chemical element symbol Tm with an atomic number of 69.
Webster DictionaryWebster's Unabridged Dictionary 📘
- thulium (n.)
A rare metallic element of uncertain properties and identity, said to have been found in the mineral gadolinite.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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thulium
Chemical element with symbol Tm and atomic number 69, silvery white lanthanide.
Wikipedia 
- Thulium (pronounced /ˈθjuːliəm/) is a chemical element that has the symbol Tm and atomic number 69. It is a lanthanide element.
Part of speech
🔤- thulium, noun, singular of thuliums.
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