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
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The incident came less than two weeks after a 26-year-old man from Los Angeles died from an accident on another Northstar black diamond run, Martis Trail, that can reached only via the members-only Martis Camp Lodge. Chris Biderman, Sacbee.com, 18 Feb. 2026 While the menu will certainly make any meat-lover rejoice (there is Australian wagyu and a black diamond prime Tomahawk steak), those in the mood for something lighter also have plenty of options, such as a Dover sole in seaweed hollandaise and a whole roasted branzino. Nneka M. Okona, Travel + Leisure, 15 Feb. 2026 In one-of-a-kind high-jewelry chokers and necklaces, the design is rendered in black diamond-like carbon, or DLC—a high-tech material known for its exceptional hardness and scratch-resistance that is often used in watchmaking—and combined with diamonds and yellow gold for an avant-garde look. Paige Reddinger, Robb Report, 7 Feb. 2026 Deer Valley has plenty of black diamond runs scattered throughout the resort, but this is an entire playground completely dedicated to expert skiers. Graham Averill, Outside, 29 Jan. 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 24 Feb. 2026.

Kids Definition

black diamond

noun
Last Updated: - Updated example sentences
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