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PROMETHIUM

Pronunciation (US):

• PROMETHIUM (noun)
The noun PROMETHIUM has 1 sense:

1. 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

Familiarity information: PROMETHIUM used as a noun is very rare.

• PROMETHIUM (noun)

Sense 1

promethium ^{[BACK TO TOP]}

Meaning:

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

Classified under:

Nouns denoting substances

Synonyms:

atomic number 61; promethium; Pm

Hypernyms ("promethium" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

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