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promethium |
Grep of noun promethium promethium Overview of noun promethium The noun promethium has 1 sense (no senses from tagged texts) 1. promethium, Pm atomic number 61 -- (a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium) Overview of noun promethium The noun promethium has 1 sense (no senses from tagged texts) 1. promethium, Pm atomic number 61 -- (a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium)
promethium definition
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