black diamond
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English
Noun
black diamond (countable and uncountable, plural black diamonds)
- hematite
- anthracite
- carbonado, a natural diamond that is black in colour
- A black synthetic diamond, specifically a CVD polycrystalline diamond or HPHT polycrystalline compact diamond.
- boron carbide
- (South Africa, derogatory) A member of the new affluent black middle class in South Africa, characterized by conspicuous consumption.
- (skiing) A symbol representing a steep and relatively difficult trail, typically 40% gradient or above.
Coordinate terms
(skiing):
Derived terms
- (skiing): double black diamond
See also
- ♦ (Unicode black diamond)