'Gadolinite' definitions:
Definition of 'gadolinite'
(from WordNet)
noun
A mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium [syn: gadolinite, ytterbite]
Definition of 'Gadolinite'
From: GCIDE
- Gadolinite \Gad"o*lin*ite\, n. [Named after Gadolin, a Russian chemist.] (Min.) A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron. [1913 Webster]