black diamond

noun

1. carbonado ¹.
2. black diamonds, coal.

black diamond

noun

1. another name for carbonado 2
2. usually plural a figurative expression for coal

Word History and Origins

Origin of black diamond¹

First recorded in 1910–15

Example Sentences

Ferdinand the Bull is an easy, hand-built blue square with one black diamond option.

From Seattle Times

Once the Summit Express gets the green light, a cornucopia of black and double black diamond runs comes into play.

From Seattle Times

Reitzell said some of the theories being floated as to what caused the avalanche, including the idea that the first group of skiers loosened “weak snow” during the initial runs down the black diamond G.S.

From Los Angeles Times

From the chair, he said, he saw a wave of snow start falling about 4 to 5 feet below where skiers drop in at the crest of GS Bowl, a black diamond run.

From Los Angeles Times

Everyone had to do this double black diamond in concert with each other, every person on the crew and the actors.

From Los Angeles Times