Definitions from WordNet (Atomic number 69)
▸ 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
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▸ 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
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▸ Words similar to atomic number 69
▸ Usage examples for atomic number 69
▸ Idioms related to atomic number 69
▸ Wikipedia articles (New!)
▸ Words that often appear near atomic number 69
▸ Rhymes of atomic number 69
▸ Invented words related to atomic number 69