black diamond

noun

1
: dense black hematite
2
black diamonds plural : coal sense 3a
3

Examples of black diamond in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It's considered a double black diamond. Meredith Wilshere, PEOPLE, 21 June 2026 The namesake black diamond particles in this recipe help drive those actives deeper, just like every other product in the brand’s to-shelf Black Diamond roster. Adam Hurly, Robb Report, 8 May 2026 At the New Mexico resort nestled in the southernmost Rockies, though, the trail merits only a single black diamond. Michelle Ruiz, Vogue, 7 May 2026 Stein's Run is a double black diamond trail, which is considered the most challenging for skiers. Neal Riley, CBS News, 31 Mar. 2026 See All Example Sentences for black diamond

Word History

First Known Use

1763, in the meaning defined at sense 3

Time Traveler
The first known use of black diamond was in 1763

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Cite this Entry

“Black diamond.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20diamond. Accessed 26 Jun. 2026.

Kids Definition

black diamond

noun
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