2
: a thin pasty suspension (as of a precipitate in water)
3
: molten rock material within the earth from which igneous rock results by cooling
Examples of magma in a Sentence
Recent Examples on the Web
This is the process that generates the magma that comes to the surface in the form of lava.
—
Smithsonian Magazine, 3 Jan. 2024
An Icelandic coast guard helicopter flies over erupting magma early Tuesday.
—Denise Chow, NBC News, 19 Dec. 2023
Roughly speaking, that is about 1.5 oil supertankers of magma every 24 hours.
—Erik Klemetti, Discover Magazine, 29 Feb. 2024
That day, another noisy flow of magma left the sill and overfilled the dike.
—Robin George Andrews, Quanta Magazine, 20 Feb. 2024
The Icelandic Meteorological Office had warned last week that magma was accumulating, nearing the volume that precipitated January’s eruption and signaling that another eruption could be days or weeks away.
—Will Sullivan, Smithsonian Magazine, 9 Feb. 2024
Defensive walls that had been bolstered since the first eruption stopped some of the flow, but several buildings were consumed by the lava, and land in the town has sunk by as much as 1 1/2 meters (4 1/2 feet) because of the magma movement.
—Marco Di Marco, The Christian Science Monitor, 8 Feb. 2024
As Outside reported in 2016, the park sits atop a large super volcano with a magma reserve so gigantic that its eruption could wreak havoc across the whole continent.
—Martha Ross, The Mercury News, 20 Jan. 2024
Scientists will be taking measurements to try to see whether new subterranean magma is flowing toward the eruption site.
—Cassandra Vinograd, New York Times, 19 Dec. 2023
Smithsonian Magazine, 3 Jan. 2024
An Icelandic coast guard helicopter flies over erupting magma early Tuesday.
—Denise Chow, NBC News, 19 Dec. 2023
Roughly speaking, that is about 1.5 oil supertankers of magma every 24 hours.
—Erik Klemetti, Discover Magazine, 29 Feb. 2024
That day, another noisy flow of magma left the sill and overfilled the dike.
—Robin George Andrews, Quanta Magazine, 20 Feb. 2024
The Icelandic Meteorological Office had warned last week that magma was accumulating, nearing the volume that precipitated January’s eruption and signaling that another eruption could be days or weeks away.
—Will Sullivan, Smithsonian Magazine, 9 Feb. 2024
Defensive walls that had been bolstered since the first eruption stopped some of the flow, but several buildings were consumed by the lava, and land in the town has sunk by as much as 1 1/2 meters (4 1/2 feet) because of the magma movement.
—Marco Di Marco, The Christian Science Monitor, 8 Feb. 2024
As Outside reported in 2016, the park sits atop a large super volcano with a magma reserve so gigantic that its eruption could wreak havoc across the whole continent.
—Martha Ross, The Mercury News, 20 Jan. 2024
Scientists will be taking measurements to try to see whether new subterranean magma is flowing toward the eruption site.
—Cassandra Vinograd, New York Times, 19 Dec. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'magma.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near magma
Cite this Entry
“Magma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magma. Accessed 23 Apr. 2024.
Copy CitationKids Definition
Medical Definition
magma
noun
mag·ma
ˈmag-mə 
1
: a crude mixture of mineral or organic matter in the state of a thin paste
2
: a suspension of a large amount of precipitated material (as in milk of magnesia) in a small volume of a watery vehicle
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