Library / English Dictionary |
PITCHBLENDE
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
Synonyms:
pitchblende; uraninite
Classified under:
Hypernyms ("pitchblende" is a kind of...):
uranium ore (any ore from which uranium can be extracted)
Meronyms (substance of "pitchblende"):
atomic number 92; U; uranium (a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons)