Definition of black diamond in English:

black diamond


  • 1informal A lump of coal.

    • ‘The first black diamonds were mined on ‘Coal Hill,’ now Mt. Washington in Pittsburgh, in the late 1700s.’
    • ‘When first black diamond lumps were found beneath the ancient Appalachian ground a scene that none expected to see became as common as common can be.’
  • 2A dark, opaque form of diamond.

    Also called carbonado
    • ‘Her eyes were like black diamonds, and just as cold.’
    • ‘‘He got her a black diamond with two gray diamonds on the side,’ says the source.’
    • ‘Her black dress, shining from some silver silk material with black diamonds sewn into the hems and lines, contrasted with her washed-pale skin.’
    • ‘Beautiful silver earrings hang from the points of her ears, encrusted by black diamonds and deep purple amethysts.’
    • ‘They are beginning to consider whether they should start a fashion for black wedding gowns, having very successfully set a fashion for black diamonds a few years ago.’
  • 3North American usually as modifier A difficult ski slope.

    ‘a steep, black-diamond run’
    • ‘You look at those tempting black diamonds, so colourfully named (Dog Face, Cascade, Paint Brush) and think, hey, they don't look so difficult.’
    • ‘I'll have you skiing the black diamonds with ease at the end of the break.’
    • ‘Jerry went off a double black diamond and tumbled all the way down.’
    • ‘While I worry about getting on and off the chairlifts, however, my boyfriend, an experienced snowboarder, starts fantasising about soft, powdery snow, half-pipes and double black diamonds.’
    • ‘Most Vermont resorts are best suited to intermediate skiers, although with 23 lifts and 145 runs - three of which are double black diamonds - there is more than enough variety to keep any skier busy for a week.’


black diamond