as in ardent
having to do with or suggestive of fire
an igneous desert atmosphere igneous events such as volcanic eruptions
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Recent Examples of igneous
Some regions with bad geological luck, however, happen to have more electrically resistive rock (including igneous and metamorphic formations) in the ground.
—
IEEE Spectrum, 24 Apr. 2020
Mafic igneous rock is a material rich in specific minerals that forms when magma cools.
—Kate S. Petersen, USA TODAY, 21 Feb. 2025
The park’s seven-acre boulder field contains piles of large diabase (an igneous rock) stones formed some 175 million years ago that sound like bells when hit with a hammer.
—Emily Matchar, Smithsonian Magazine, 27 Jan. 2025
This magma then pushed through the cracks in the rocks around it, cooling and crystallizing over millions of years to form Spruce Pine’s bounty of pegmatites—igneous rock that’s chock-full of quartz crystals.
—Olatunji Osho-Williams, Smithsonian Magazine, 3 Oct. 2024
See All Example Sentences for igneous
IEEE Spectrum, 24 Apr. 2020
Mafic igneous rock is a material rich in specific minerals that forms when magma cools.
—Kate S. Petersen, USA TODAY, 21 Feb. 2025
The park’s seven-acre boulder field contains piles of large diabase (an igneous rock) stones formed some 175 million years ago that sound like bells when hit with a hammer.
—Emily Matchar, Smithsonian Magazine, 27 Jan. 2025
This magma then pushed through the cracks in the rocks around it, cooling and crystallizing over millions of years to form Spruce Pine’s bounty of pegmatites—igneous rock that’s chock-full of quartz crystals.
—Olatunji Osho-Williams, Smithsonian Magazine, 3 Oct. 2024
See All Example Sentences for igneous
Recent Examples of Synonyms for igneous
Adjective
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Most of the protests have focused on President Donald Trump's policies and Elon Musk's sweeping federal cuts, of which Greene has been an ardent supporter.—
Arick Wierson,
MSNBC Newsweek,
16 Apr. 2025
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The iconic singer was shot and killed in 1995, and this somber milestone was not missed by many of her most ardent supporters.—
Hugh McIntyre,
Forbes.com,
11 Apr. 2025
Adjective
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The core, which is made up of molten iron, generates electrical currents.—
Laura Baisas,
Popular Science,
16 Apr. 2025
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Recent research, however, has proposed a promising answer: the molten Martian core likely generated a magnetic field that only covered the Red Planet’s southern hemisphere.—
Jack Knudson,
Discover Magazine,
16 Apr. 2025
Adjective
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One was his heated exchange with Gore Vidal, which became so famous that a documentary about it, The Best of Enemies, was made about it in 2015.—
Doug Ducey,
National Review,
14 Apr. 2025
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On Wednesday, the second day of the trial, witness Nancy Jo Hancock — a woman who went on a date with Charles Vallow in July 2019 the night before Vallow was shot and killed — got into a heated exchange with Vallow Daybell during cross-examination.—
Stepheny Price,
FOXNews.com,
13 Apr. 2025
Adjective
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These calls have continued through an alarming run of temperature records, with the planet registering its hottest year in human history in 2024.—
Sam Meredith,
CNBC,
14 Apr. 2025
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Whether the same can be said of his remaining time at the club will be a hot topic come the summer window.—
Andy Naylor,
New York Times,
14 Apr. 2025
Adjective
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Read Next World ‘Stocky’ creature with ‘fiery orange’ eyes found mating.—
Aspen Pflughoeft,
Miami Herald,
17 Apr. 2025
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The sun is currently experiencing solar maximum, or the peak in its 11-year cycle, and as the sun becomes more active, researchers have observed increasingly intense solar flares and coronal mass ejections erupting from the fiery orb.—
Ashley Strickland,
CNN Money,
16 Apr. 2025
Adjective
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One idea is that about a million years after the Big Bang, the universe cooled and underwent a phase transition, an event similar to how boiling water turns liquid into gas.—
Yasemin Saplakoglu,
Scientific American,
3 Mar. 2020
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If candy is still stuck on, pour more boiling water over whatever hasn’t come clean.—
Washington Post,
Washington Post,
3 Dec. 2019
Adjective
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Currently, 181 genera with around 2,600 species are known, most of which are restricted to tropical and subtropical climates.—
Kurt Snibbe,
Oc Register,
13 Apr. 2025
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Man-of-wars are often found in tropical and subtropical waters, according to the South Carolina Department of Natural Resources.—
Natalie Demaree,
Miami Herald,
11 Apr. 2025
Adjective
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Her viral speech in Minneapolis in 2020 remains one of the most searing indictments of state violence in recent memory.—
Sughnen Yongo,
Forbes.com,
10 Apr. 2025
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Image ‘Eric LaRue’ Directed by Michael Shannon, this searing drama centers on Janice (Judy Greer), who struggles to cope after her son commits a school shooting.—
The New York Times,
New York Times,
4 Apr. 2025
Cite this Entry
“Igneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/igneous. Accessed 24 Apr. 2025.
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