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Tm
Noun
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
synonym
atomic number 69
thulium
holo substance
apatite
monazite
xenotime
hypernym
metal
metallic element
Tm vs atomic number 69
Tm vs metal
Tm vs metallic element
Tm vs thulium
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