ru·tile (r  t l , -t l)n. A lustrous red, reddish-brown, or black mineral, TiO2, used as a gemstone, as an ore, and in paints and fillers. [French, from German Rutil, from Latin rutilus, red; see rutilant.] |
rutile [ˈruːtaɪl]
n
(Earth Sciences / Minerals) a black, yellowish, or reddish-brown mineral, found in igneous rocks, metamorphosed limestones, and quartz veins. It is a source of titanium. Composition: titanium dioxide. Formula: TiO2. Crystal structure: tetragonal
[via French from German Rutil, from Latin rutilus red, glowing]
| rutile (rtl, -tl) A lustrous red, reddish-brown, or black tetragonal mineral that is an ore of titanium. Rutile usually occurs as prismatic crystals in other minerals, especially as dark needlelike crystals in quartz. Chemical formula: TiO2. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  rutile - a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titaniumatomic number 22, Ti, titanium - a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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