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black diamond

American  

noun

  1. carbonado.

  2. black diamonds, coal.


black diamond British  

noun

  1. another name for carbonado 2

  2. (usually plural) a figurative expression for coal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

See Examples For:

In June 2024, Bechtel shared a photo of her wearing a large black diamond ring on her ring finger on Instagram.

From BBC Jul. 19, 2026

It’s my fatherly nudge to do something that they’re a little nervous or apprehensive about, like the double black diamond or even trying a new food.

From The Wall Street Journal May 4, 2026

Reverence is a longer black diamond halfway along Rattlesnake Mountain with a few optional double black diamond features.

From Seattle Times Jun. 6, 2024

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 Jun. 13, 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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