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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But a groundswell of protest art was answering the call with a new kind of ardent feeling that damned the false piety and hypocrisy of homophobic Christian doctrine.—
Marc Weingarten,
Los Angeles Times,
22 May 2025
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Most were, like O’Neil, young and ardent admirers of the actor, who at that point was between movies and had a different kind of creative itch to scratch.—
Sheri Linden,
HollywoodReporter,
18 May 2025
Adjective
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For instance, a 2022 analysis suggested that in the first billion years, when the Moon was covered in molten rock, giant rocks formed as the magma cooled and solidified.—
Jennifer Ouellette,
ArsTechnica,
23 May 2025
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This complex is highly mobile in the molten sections of the mantle.—
David Bressan,
Forbes.com,
23 May 2025
Adjective
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In a dramatic and unprecedented move Tuesday, the Florida Board of Governors voted 10–6 to reject Santa J. Ono’s nomination as the University of Florida’s next president in a heated session that more closely resembled a Senate confirmation hearing than the typical rubber-stamp vote.—
Garrett Shanley,
Miami Herald,
3 June 2025
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Nine maps were submitted by citizens, Precinct 2 Commissioner Alisa Simmons said during heated debate at Tuesday’s meeting.—
Cody Copeland,
Fort Worth Star-Telegram,
3 June 2025
Adjective
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Cannas like the summer heat and humidity and do just fine without watering except in really hot areas like southern Florida.—
Brandee Gruener,
Southern Living,
3 June 2025
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Nine states have assault weapons bans in place, as gun control has become a hot topic at the Supreme Court.—
Danielle Chemtob,
Forbes.com,
3 June 2025
Adjective
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Ethan just held onto a plane in mid-air, beat the bad guy, and defeated a god-like artificial intelligence averting the fiery nuclear death of all humanity.—
James Grebey,
Vulture,
23 May 2025
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As Mars meets with Venus in a fiery trine, this sizzling synergy activates your 10th house of authority and publicity and sixth house of due diligence.—
Valerie Mesa,
People.com,
22 May 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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Over the seven seasons of Love Island USA, contestants have been treated to a variety of accommodations, ranging from tropical villas to luxury stateside hotels.—
Francesca Gariano,
People.com,
4 June 2025
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The same constraints apply to the black pepper, which is mostly grown in tropical regions such as Vietnam, Indian, and Brazil.—
Wayne Winegarden,
Forbes.com,
3 June 2025
Adjective
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Peña said that because the physical changes to the third floor will be minimal, the new flea market should be open in the next couple of weeks — just in time to avoid Miami’s searing summer heat and sudden thunderstorms.—
Connie Ogle,
Miami Herald,
21 May 2025
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Pyroclastic clouds, or a dense mixture of ash, gas and rock dispersed during a volcanic eruption, caused a searing, rapid avalanche of debris to fill the home, Zuchtriegel said.—
Ashley Strickland,
CNN Money,
17 May 2025
Cite this Entry
“Igneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/igneous. Accessed 6 Jun. 2025.
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