brookite 1
noundomain: natural obj.
EnWordnet [ver.5.0]
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EnglishDefinition
a reddish-brown to black mineral consisting of titanium oxide in orthorhombic crystalline form: occurs in silica veins.
Examples
- 1.Brookite displays a submetallic luster.
Hypernym
mineral 1
noun
solid homogeneous inorganic substances occurring in nature having a definite chemical composition
a gemstone of lesser value.
EnglishSubstance_holonym
a white powder used as a pigment for its high covering power and durability
