SINCE 1828
di·a·mond
| \ ˈdī-(ə-)mənd
\
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Definition of diamond
(Entry 1 of 4)
1a
: native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a precious stone, and that is used industrially especially as an abrasive
also
: a piece of this substance
b
: crystallized carbon produced artificially
2
: something that resembles a diamond (as in brilliance, value, or fine quality)
3
: a square or rhombus-shaped figure usually oriented with the long diagonal vertical
4a
: a playing card marked with a stylized figure of a red diamond
b
diamonds plural in form but singular or plural in construction
: the suit comprising cards marked with diamonds
5
: a baseball infield
also
: the entire playing field
diamond
verb
diamonded;
diamonding;
diamonds
Definition of diamond (Entry 2 of 4)
: to adorn with or as if with diamonds
diamond
adjectiveDefinition of diamond (Entry 3 of 4)
: of, relating to, or being a 60th or 75th anniversary or its celebration
diamond jubilee
Diamond
biographical name
Di·a·mond
| \ ˈdī-(ə-)mənd
\
\
Definition of Diamond (Entry 4 of 4)
Peter A(rthur) 1940– American economist
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Examples of diamond in a Sentence
Noun
a necklace studded with diamonds and rubies The ruby was surrounded by a ring of diamond. The children cut the fabric into diamonds. one heart, two diamonds, and two clubs He played the queen of diamonds.Adjective
the celebration of Queen Victoria's diamond jubilee in 1897
Recent Examples on the Web: Noun
The sparkler appears to be a pink diamond placed in a rose gold setting. — Jennifer Aldrich, Country Living, "Miranda Lambert Flaunted Her New Wedding Ring at the ACMs and We're Obsessed," 9 Apr. 2019 There’s got 2B a baseball diamond in there somewhere. — Mark Lamster, Curbed, "2018 in architecture: The good, the bad, and the urbanism," 27 Dec. 2018 The Queen ultimately loaned Meghan a diamond bandeau tiara, that was made in England in 1932. — Erica Gonzales, Harper's BAZAAR, "Prince Harry Helped Meghan Markle Choose Her Wedding Tiara with the Queen," 26 Oct. 2018 Like Markle, Haddish accessorized with a cathedral-length veil and diamond tiara. — Aurelie Corinthios, PEOPLE.com, "Tiffany Haddish Wears Meghan Markle-Inspired Wedding Dress — and Messy Bun — at MTV Awards," 18 June 2018 The duchess wore Queen Mary’s 1932 diamond bandeau tiara, whose center jewel brooch dates to 1893. — Tony Bravo, San Francisco Chronicle, "The Markle effect: 6 wedding trends inspired by the royal wedding," 30 May 2018 Markle's long white veil was held in place by the diamond bandeau tiara. — Kathleen Joyce, Fox News, "Queen Elizabeth II lends Meghan Markle a tiara for royal wedding," 19 May 2018 Her 16-foot-long veil was held in place by a diamond bandeau tiara lent to her by the Queen. — Simon Cullen, CNN, "Thomas Markle, Meghan's dad, says 'My baby looks beautiful'," 19 May 2018 Jonathan —PA Wire Meghan’s veil was topped with Queen Mary’s diamond bandeau tiara, which was on loan from Queen Elizabeth. — Cady Lang, Time, "Every Detail About Meghan Markle's Givenchy Royal Wedding Dress," 19 May 2018Recent Examples on the Web: Verb
Instead, they were drawn to the idea that diamonds represent authenticity. — Andrew E. Kramer, New York Times, "A Diamond Giant Plays Up Its Russian Ties to Appeal to Americans," 11 July 2018 The Del Paso Youth Baseball league has not used the Johnston Park diamonds in two years, according to a staff report. — Anita Chabria, sacbee, "Sacramento homeless: Tent city proposed for Johnston Park in north Sacramento | The Sacramento Bee," 24 Apr. 2017 They are accused of burglarizing Tustin Village Jewelers, Diamonds Direct in Laguna Hills, Nick’s Jewelry and Watch Craft in Fullerton and Mimi’s Jewelry and Ballard and Ballard Jewelry in Fountain Valley. — Orange County Register, "Man gets 2 years for 5 Orange County jewelry store burglaries," 20 Jan. 2017Recent Examples on the Web: Adjective
Diamond experts say the gem could be the 10th-largest ever discovered and initially pegged its value at $50 million. — Alpha Kamara, USA TODAY, "Sierra Leone mystery: What is whopping 709-carat diamond worth?," 4 July 2017 Diamond’s facility in the county is Pump Station #1 in San Diego, where large-scale waterfalls help dilute the wastewater entering the treatment plant. — Kristina Davis, sandiegouniontribune.com, "San Marcos company admits illegally dumping wastewater from portable toilets," 3 June 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diamond.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for diamond
diamond
noun
English Language Learners Definition of diamond
(Entry 1 of 2)
: a very hard usually colorless stone that is a form of carbon and is used especially in jewelry
: a shape that is formed by four equal straight lines and that has two opposite angles that are smaller than a right angle and two opposite angles that are larger than a right angle
: a playing card that is marked with a red diamond shape
diamond
adjectiveEnglish Language Learners Definition of diamond (Entry 2 of 2)
: of or relating to the 60th or 75th anniversary of an important event (such as a marriage)
See the full definition for diamond in the English Language Learners Dictionary
diamond
noun
di·a·mond
| \ ˈdī-ə-mənd
, ˈdī-mənd\
, ˈdī-mənd\
Kids Definition of diamond
1
: a very hard mineral that is a form of carbon, is usually nearly colorless, and is used especially in jewelry
2
: a flat figure ◊ like one of the surfaces of certain cut diamonds
3
: infield sense 1
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