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Meaning of word atomic number 69 from English dictionary with examples, synonyms and antonyms.

atomic number 69   noun

Meaning : 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.

Synonyms : thulium, tm

Atomic number 69 meaning in Bengali (Bangla).