tülyum

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Turkish - English
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