thulium
🇺🇸
/ˈθuːliəm/
🇬🇧
/ˈθuːliəm/
noun
R
A soft, silver-white metal that is one of the rare earth elements.
Thulium is used in some types of lasers and is known for its unique properties.
translation
A soft, silver-white metal that is one of the rare earth elements.