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PROMETHIUM

Pronunciation (US): 

 Dictionary entry overview: What does promethium mean? 

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.


 Dictionary entry details 


PROMETHIUM (noun)


Sense 1promethium [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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