retinite Min.
(ˈrɛtɪnaɪt)
Also -it.
[a. F. rétinite (1795), f. Gr. ῥητίνη resin + -ite.]
a. Retinasphalt. b. A mineral resin derived from brown coal. c. Pitchstone.
| 1821 Ure Dict. Chem., Retinite, retin-asphalt... It is found at Bovey Tracey in Devonshire, adhering to brown coal. 1853 ― Dict. Arts I. 892 Resin, pitch, tar, oil, retinite, or other substance..capable of yielding carburetted hydrogen gas. 1862 Scrope Volcanos 90 Clay is occasionally turned into jasper; marl into pechstein or retinite. |