gum·mite 
(gŭmīt)
(gŭmīt)n.
An orange-red to grayish yellow mixture of several uranium oxides, silicates, and salts occurring naturally in the oxidation and hydration of uraninite.
[German Gummit, from Gummi, gum, from Middle High German, from Medieval Latin, from Latin; see GUM1.]
- reproachableness
- reproachably
- reproacher
- reproachful
- reproachfully
- reproachfulness
- reprobate
- reprobation
- reprobative
- reprocess
- reproduce
- reproducer
- reproducibility
- reproducible
- reproduction
- reproduction proof
- reproductive
- reproductive cloning
- reproductively
- reproductiveness
- reproductive system
- reprographer
- reprographic
- reprographics
- reprography