black diamond (suomeksi)

Määritelmät:

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
(lb, en, South Africa, derogatory) A member of the new affluent black middle class in South Africa, characterised by conspicuous consumption.
(lb, en, skiing) A symbol representing a steep and relatively difficult trail, typically 40% gradient or above.