noun
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another name for carbonado 2
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(usually plural) a figurative expression for coal
Etymology
Origin of black diamond
First recorded in 1910–15
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Most ski slopes are coded for difficulty—with the green circle as the easy, the blue square as intermediate and the black diamond as advanced.
From The Wall Street Journal ● Oct. 28, 2026
Once the Summit Express gets the green light, a cornucopia of black and double black diamond runs comes into play.
From Seattle Times ● Feb. 10, 2024
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 ● Jan. 11, 2024
After a fireside fondue lunch at the Roundhouse, Baldy’s mid-mountain eatery, I decided to test my skills on one of the “easier” black diamond runs.
From New York Times ● Jan. 30, 2023
She wears a black mourning dress and a black diamond draped around her neck.
From "The Belles" by Dhonielle Clayton
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
