'Rutile' definitions:
Definition of 'rutile'
From: WordNet
noun
A mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium
Definition of 'Rutile'
From: GCIDE
- Rutile \Ru"tile\ (r[udd]"t[i^]l), n. [L. rutilus red, inclining to golden yellow.] (Min.) A mineral usually of a reddish brown color, and brilliant metallic adamantine luster, occurring in tetragonal crystals. In composition it is titanium dioxide, like octahedrite and brookite. [1913 Webster]