See Also: uraninite(medicine)
uraninite(dictionary)
uraninite(encyclopedia)

uraninite (iou)



uraninite noun. L19.
[from URANO-2 + -IN1 + -ITE1.]
Mineralogy. A black, brown, or grey cubic mineral which consists mainly of uranium dioxide, is found most frequently in botryoidal form as pitchblende, and is the major ore of uranium.