Definition: Meaning of, thulium in English to English dictionary.
Pronunciation:/ ˈθ(j)uːlɪəm /
noun
synonym
antonym
Word Forms:
Singular
Plural
thulium
thuliums
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