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diamond
1[ dahy-muhnd, dahy-uh- ]
noun
- a pure or nearly pure, extremely hard form of carbon, naturally crystallized in the isometric system.
- a piece of this stone.
- a transparent, flawless or almost flawless piece of this stone, especially when cut and polished, valued as a precious gem.
- a ring or other piece of jewelry containing such a precious stone, especially an engagement ring.
- a piece of this stone used in a drill or cutting tool.
- a tool provided with such an uncut stone, used for cutting glass.
- crystallized carbon, or a piece of it, artificially produced.
- an equilateral quadrilateral, especially as placed with its diagonals vertical and horizontal; a lozenge or rhombus.
- any rhombus-shaped figure or object oriented with its diagonals vertical and horizontal.
- a red rhombus-shaped figure on a playing card.
- a card of the suit bearing such figures.
- diamonds, (used with a singular or plural verb) the suit so marked:
Diamonds is trump. Diamonds are trump.
- Baseball.
- the space enclosed by home plate and the three bases; infield.
- the entire playing field.
- Printing. a 4½-point type of a size between brilliant and pearl.
adjective
- made of or set with a diamond or diamonds.
- having the shape of a diamond:
a dress with a diamond print.
- indicating the 75th, or sometimes the 60th, event of a series, as a wedding anniversary.
verb (used with object)
- to adorn with or as if with diamonds.
Diamond
2[ dahy-muhnd, dahy-uh- ]
noun
- Neil, born 1941, U.S. singer and songwriter.
- Cape, a hill in Canada, in S Quebec, on the St. Lawrence River.
diamond
/ ˈdaɪəmənd /
noun
- a colourless exceptionally hard mineral (but often tinted yellow, orange, blue, brown, or black by impurities), found in certain igneous rocks (esp the kimberlites of South Africa). It is used as a gemstone, as an abrasive, and on the working edges of cutting tools. Composition: carbon. Formula: C. Crystal structure: cubic
- ( as modifier ) diamantine
a diamond ring
- geometry
- a figure having four sides of equal length forming two acute angles and two obtuse angles; rhombus
- modifier rhombic
- a red lozenge-shaped symbol on a playing card
- a card with one or more of these symbols or ( when plural ) the suit of cards so marked
- baseball
- the whole playing field
- the square formed by the four bases
- (formerly) a size of printer's type approximately equal to 4 1 2 point
- black diamonda figurative name for coal
- rough diamond
- an unpolished diamond
- a person of fine character who lacks refinement and polish
verb
- tr to decorate with or as with diamonds
diamond
/ dī′ə-mənd /
- A form of pure carbon that occurs naturally as a clear, cubic crystal and is the hardest of all known minerals. It often occurs as octahedrons with rounded edges and curved surfaces. Diamond forms under conditions of extreme temperature and pressure and is most commonly found in volcanic breccias and in alluvial deposits. Poorly formed diamonds are used in abrasives and in industrial cutting tools.
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Derived Forms
- ˈdiamond-ˌlike, adjective
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Other Words From
- diamond·like adjective
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Word History and Origins
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Word History and Origins
Origin of diamond1
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Idioms and Phrases
- diamond in the rough, a person of fine character but lacking refined manners or graces.
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Example Sentences
Diamond Street, for instance, was one of the original players in the zoot suit riots in 1942.
Elderly women played Triple Double Diamond and Tiki Magic while they chain-smoked.
Casa Bruja is a diamond in the rough, a refuge among all this bedlam.
But they are striving “to shine bright like a diamond” and be happy, and we love them for it.
He took his diamond cutting practice to the United States in 1949 and settled in Houston with his wife, Ann.
He just got a good holt–a shore enough diamond hitch–on that thirst-parlour dawg, and chawed.
At last she had fallen asleep and dreamed ecstatic dreams about diamond necklaces and thousand franc notes.
He was decently dressed in grey tweeds, and wore a diamond ring on his little finger.
Later on he went to South Africa, where in the diamond mines he met with great success and made a large fortune.
Joseph Mylchreest was a Manxman, a rough diamond but a man of sterling worth.
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Related Words
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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