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Thulium Definition & Meaning

thulium
noun
  1. 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

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Frequently asked questions

What does thulium mean?
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
What part of speech is thulium?
Thulium is a noun.

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