Associations to the word «Promethium»
Noun
Adjective
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Wiktionary
PROMETHIUM, noun. A metallic chemical element (symbol Pm) with an atomic number of 61.
Dictionary definition
PROMETHIUM, noun. 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.
Wise words
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are truly endless.