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  • garnet
    garnet
    noun
    any of a group of hard, vitreous minerals, silicates of calcium, magnesium, iron, or manganese with aluminum or iron, varying in color: a deep-red transparent variety is used as a gem and as an abrasive.
  • Garnet
    Garnet
    noun
    Henry Highland, 1815–82, U.S. clergyman and abolitionist.
Synonyms

garnet

1 American  
[gahr-nit] / ˈgɑr nɪt /

noun

  • garnets
    plural
  1. any of a group of hard, vitreous minerals, silicates of calcium, magnesium, iron, or manganese with aluminum or iron, varying in color: a deep-red transparent variety is used as a gem and as an abrasive.

  2. a deep-red color.


Garnet 2 American  
[gahr-nit] / ˈgɑr nɪt /

noun

  1. Henry Highland, 1815–82, U.S. clergyman and abolitionist.


garnet 1 British  
/ ˈɡɑːnɪt /

noun

  1. any of a group of hard glassy red, yellow, or green minerals consisting of the silicates of calcium, iron, manganese, chromium, magnesium, and aluminium in cubic crystalline form: used as a gemstone and abrasive. Formula: A 3 B 2 (SiO 4 ) 3 where A is a divalent metal and B is a trivalent metal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

garnet 2 British  
/ ˈɡɑːnɪt /

noun

  1. nautical a tackle used for lifting cargo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

garnet Scientific  
/ gär′nĭt /
  1. Any of several common red, brown, black, green, or yellow minerals having the general chemical formula A 3 B 2 SiO 8, where A is either calcium (Ca), magnesium (Mg), iron (Fe), or manganese (Mn) and B is either aluminum (Al), manganese, iron, chromium (Cr), or vanadium (V). Garnet crystals are dodecahedral in shape, transparent to semitransparent, and have a vitreous luster. They usually occur in metamorphic rocks but also occur in igneous and sedimentary rocks.


Usage

What does garnet mean? A garnet is a deep-red transparent gemstone. This is just one type of garnet, which is a type of mineral. Garnet can also be brown, black, green, or yellow, and some kinds are opaque (nontransparent). Still, the name garnet is most popularly associated with the glassy red gemstone, and the word garnet can also be used to refer to a deep-red color. Garnet gems are traditionally considered semiprecious, which is a label applied to a class of gems that have commercial value but one that is less than that of stones labeled precious. However, garnets can cost much more than some precious stones. Garnet is the traditional birthstone for the month of January. It is also associated with the zodiac signs Capricorn and Aquarius. Along with its use in jewelry and other decorative uses, garnet is also used as an abrasive, which is a material used for grinding or polishing. For example, garnet paper is a kind of sandpaper made with crushed garnet. Example: My mom gave me a necklace with a garnet pendant for my birthday.

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of garnet

1275–1325; Middle English garnet, gernate < Old French gernate, grenade < Latin grānātum granular; cf. pomegranate


Explanation

A garnet is a semi-precious gemstone that's usually a deep red color. If you were born in January, the garnet is your birthstone. Garnet comes from the Medieval Latin granatum, "of dark red color." One theory says the word was abstracted from pomum granatum, or "pomegranate," which has dark red seeds. Despite this origin, and the fact that garnet itself means "dark red," as well as "a gemstone," garnets actually come in a wide range of colors: pink, green, brown, blue, and even colorless. These silicate stones are mined all over the world and polished into gems.

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Vocabulary lists containing garnet

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Around back, an arrow, painted garnet against an otherwise beige facade, points toward a red door sheltered by a small, domed awning.

From Los Angeles Times ● May 12, 2026

The alternative, Red Ambience, drenches the car in a fathomless shade of garnet metallic.

From The Wall Street Journal ● May 2, 2026

"We could see it was something really exciting as despite more than 1,000 years in the ground we could see glints of the possible garnet setting."

From BBC ● Sep. 4, 2024

I prefer the garnet sweet potatoes for the ultimate texture, but I promise any and all varieties will work just fine.

From Seattle Times ● Dec. 26, 2023

The fingers curled around the drinking horn were heavy with rings, gold and silver and bronze, set with chunks of sapphire and garnet and dragonglass.

From "A Clash of Kings" by George R.R. Martin

Both Peng and Zhu began working on the project in the laboratory of Garnet Chan, Bren Professor of Chemistry and director of the Rudolph A. Marcus Center for Theoretical Chemistry at Caltech.

From Science Daily ● Oct. 10, 2026

It stressed Pica could be fatal, citing the cases of 21-year-old James Frankish and 19-year-old Owen Garnet.

From BBC ● Nov. 1, 2025

The lightning-sparked Garnet fire burning in Fresno County is threatening about 200 giant sequoias trees in a grove considered vulnerable to flames.

From Los Angeles Times ● Sep. 8, 2025

Firefighters hold the line in the Sierra, protecting communities and a giant sequoia grove amid a day of ‘dynamic fire activity’ from the Garnet fire.

From Los Angeles Times ● Sep. 8, 2025

But what’s the difference between Jeff Garnet and Dee Roberts right now?

From "Ask the Passengers" by A.S. King

Piller juxtaposes opals, garnets and pearls with less conventional materials such as tile fragments, snakeskin, bits of lava from a trip to Iceland, and bullet casings, all bound together with strips of leather or vinyl.

From Los Angeles Times ● Dec. 30, 2025

The piece of whiteschist from the Dora Maira Massif contained pink garnets in a silvery-white matrix composed of quartz and other minerals.

From Science Daily ● Oct. 27, 2023

Made of red garnets set in gold, Mola specialists believe it was originally half of a hinged clasp before it was re-used.

From BBC ● Dec. 6, 2022

The state also boasts a large production of star garnets, the state gem — “so large that most of them are crushed up and made into sandpaper,” Mr. Braunwart said.

From New York Times ● Dec. 5, 2022

They found a little gold, a little silver, a great sack of copper pennies, and a dented goblet set with garnets that two soldiers almost came to blows over.

From "A Clash of Kings" by George R.R. Martin

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