noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A yellow, amorphous mineral, a mixture of oxides and silicates of uranium, formed by weathering of pitchblende. countable, uncountable
2. 2
   a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende wordnet

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.