VDict - Definition of atomic number 69

English - English (Wordnet) dictionary

atomic number 69

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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

Related words

Synonyms:
thulium Tm

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Words pronounced/spelled similarly to "atomic number 69":
atomic number atomic number 1 atomic number 10 atomic number 100 atomic number 101 atomic number 102 atomic number 103 atomic number 104 atomic number 105 atomic number 106 more...
Words contain "atomic number 69" in its definition in English - English (Wordnet) dictionary:
transuranic element rutherford atom magic number atomic accuracy mesotron periodic table meson isotope nucleon number more...

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