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
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
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
See All Example Sentences for igneous
Olatunji Osho-Williams, Smithsonian Magazine, 3 Oct. 2024
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
See All Example Sentences for igneous
Recent Examples of Synonyms for igneous
Adjective
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Trump is also facing growing skepticism about deepening U.S. involvement in the Mideast crisis from some of his most ardent supporters.—
Arkansas Online,
Arkansas Online,
19 June 2025
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The prospect of potential U.S. military action in Iran is facing strong resistance from within the MAGA movement, with some of President Donald Trump's most ardent supporters urging him not join Israel in conducting air strikes.—
Francesca Chambers,
USA Today,
18 June 2025
Adjective
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Its oldest crystals formed 4.51 billion years ago from the stream of molten matter that got blasted off Earth by a giant impact event.—
Robin Andrews,
Wired News,
15 June 2025
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At the same time, however, Bush sought to address some of the underlying issues — the racist history of the LAPD, chief among them — that festered for decades before exploding into molten rage.—
Mark Z. Barabak,
Los Angeles Times,
9 June 2025
Adjective
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Collin Morikawa still has not recovered his cool from his heated exchange with a reporter during his pre-tournament press conference.—
Julio Cesar Valdera Morales,
MSNBC Newsweek,
27 June 2025
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It was followed by Israel and Iran indulging in a heated military exchange, a subsequent but hitherto empty threat to close the Strait of Hormuz by Tehran, and a bombing by the U.S. of Iran’s nuclear facilities.—
Gaurav Sharma,
Forbes.com,
27 June 2025
Adjective
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Despite Benfica’s determination to preserve the core of a potentially special team, Fernandez returned to Portugal with Chelsea hot in pursuit.—
Liam Twomey,
New York Times,
28 June 2025
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Farmers are at the mercy of climate change, which can mean hotter days over longer periods, and unpredictable weather in the form of hurricanes, which can badly affect crops.—
Connie Ogle,
Miami Herald,
27 June 2025
Adjective
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But, Jackson pairs them with a matching black leotard and a floor-length trench coat, letting all the attention fall on the fiery red pointed pumps.—
Tiana Randall,
Forbes.com,
16 June 2025
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Mint green and lavender read soothing, while fiery red and deep orange create a dramatic statement.—
Elizabeth Fogarty,
Better Homes & Gardens,
15 June 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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Thrive’s reef-safe SPF 50 mineral formula offers strong protection with minimal white cast, perfect for South America’s varied climates—from snowy peaks to tropical beaches.—
Mariana Zapata,
Travel + Leisure,
24 June 2025
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According to the National Weather Service (NWS), a tropical depression is a tropical cyclone with maximum sustained surface winds of 38 miles per hour or lower.—
Joe Edwards,
MSNBC Newsweek,
23 June 2025
Adjective
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Caminero, who was hitless in his previous 17 at-bats, led off with a searing homer to left-center, hit at 109.2 mph and carrying 409 feet.—
Marc Topkin,
The Orlando Sentinel,
15 June 2025
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Dad can whip up incredible meals with cookware that offers the searing power of stainless steel and the easy cleanup of nonstick.—
Nora Colomer
may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom.,
FOXNews.com,
6 June 2025
Cite this Entry
“Igneous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/igneous. Accessed 30 Jun. 2025.
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