Advertisement
Advertisement
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.
(used with a singular or plural verb)diamonds, 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
/ ˈ岹ɪəəԻ /
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 )
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
a figurative name for coal
an unpolished diamond
a person of fine character who lacks refinement and polish
verb
(tr) to decorate with or as with diamonds
diamond
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.
Other Word Forms
- diamondlike adjective
- ˈ徱DzԻ-ˌ adjective
Word History and Origins
Word History and Origins
Origin of diamond1
Idioms and Phrases
diamond in the rough, a person of fine character but lacking refined manners or graces.
Example Sentences
Glen says Kylie initially spoke to Reuben about his clothing, as he was "bedazzled head to toe with Kylie signs and diamonds".
These included a baseball player hitting a ball – as Mr Underwood is a big baseball fan – and a diamond ring being placed on a finger.
Cholowsky leapt up from the ground, his teammates already celebrating at the center of the diamond.
It claims Ahmad has longstanding ties with the illegal trade in "blood diamonds", a reference to how diamonds are sometimes used to fund armed conflict and insurgencies.
Blake has his driver drop off a pair of whoppingly huge diamond earrings, just because.
Advertisement
Related Words
When To Use
A diamond is a clear gemstone known for its use in jewelry and its high price.The word diamond can also refer to the material, which is one of the hardest known substances. It has many practical and industrial applications, including for grinding and polishing—many drill bits have diamond tips, for example.Diamonds are perhaps the most popular gemstone used in jewelry. They are classified as precious gems, meaning that they have a high commercial value. They are often rated based on four main qualities: cut, color, clarity, and carat weight. Many cut diamonds are crystal clear, but sometimes they come in other transparent colors, including pink, yellow, and blue (like the famous Hope diamond). Some diamonds are synthetic—they’re manufactured in laboratories.The diamond is the traditional birthstone for the month of April. It’s associated with the zodiac signs Aries and Taurus.The word diamond is also used to refer to a shape (♦), like the one that’s used as one of the four “suits” on playing cards. Sometimes, it refers to a shape that looks like a cut diamond gem. This is how the word is used in baseball diamond.Diamond can be used as an adjective to describe things that include diamonds (as in a diamond necklace), are made of diamond (as in a diamond drill bit tip), or are diamond-shaped or diamond-patterned, among other things.The word diamond is sometimes used to describe a 75-year anniversary, as in It’s my grandparents’ diamond anniversary this year—I can’t believe they’ve been married for 75 years!Example: Look at her ring—that must be the biggest diamond I’ve ever seen!
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.
Advertisement
Advertisement
Advertisement
Advertisement
Browse