'Gummite' definitions:
Definition of 'gummite'
From: WordNet
noun
A gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende
Definition of 'Gummite'
From: GCIDE
- Gummite \Gum"mite\, n. [So called because it occurs in rounded or flattened pieces which look like gum.] (Min.) A yellow amorphous mineral, essentially a hydrated oxide of uranium derived from the alteration of uraninite. [1913 Webster]