التركية - الإنجليزية
تعريف tülyum في التركية الإنجليزية القاموس.
- thulium
- a metallic chemical element (symbol Tm) with an atomic number of 69
- a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
- {i} metallic chemical element
- A rare metallic element of uncertain properties and identity, said to have been found in the mineral gadolinite