Dictionary

uraninite

noun ura·ni·nite \y-ˈrā-nə-ˌnīt\

Definition of URANINITE

:  a black octahedral mineral that consists of an oxide of uranium which usually contains thorium, lead, and rare earth elements and is the chief ore of uranium
ADVERTISEMENT

Origin of URANINITE

German Uranin uraninite (from New Latin uranium) + English -ite
First Known Use: 1879
Medical Dictionary

uraninite

noun ura·ni·nite \y-ˈrā-nə-ˌnīt\

Medical Definition of URANINITE

:  a mineral that is basically a black octahedral or cubic oxide of uranium containing lead, thorium, and rare earth elements and that is the chief ore of uranium

Browse

Next Word in the Dictionary: uraniumPrevious Word in the Dictionary: uraniferousAll Words Near: uraninite
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears