[ura.ni.nite] n [G Uranin uraninite (fr. NL uranium) + E -ite] (1879): a mineral that is basically a black octahedral or cubic oxide of uranium which contains thorium, lead, and rare earth elements and is the chief ore of uranium
URANINITE
Meaning of URANINITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012