magma

noun

mag·​ma ˈmag-mə How to pronounce magma (audio)
1
archaic : dregs, sediment
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
magmatic adjective

Examples of magma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This week’s free dragon giveaway will surely be season two’s apotheosis, an exhilarating pastiche of Jurassic Park and that scene in Congo where the bad gorillas jump into liquid hot magma. Amanda Whiting, Vulture, 28 July 2024 This opens the door for new sources of these elements, especially since iron-rich magma is easily identifiable. Devika Rao, theweek, 1 Oct. 2024 Instead, many volcanoes keep their magma in batches (reservoirs) that might mix magma and crystals right before an eruption. Erik Klemetti, Discover Magazine, 30 Sep. 2024 Volcanic magma can certainly provide sufficient heat to melt the lunar regolith, so glass can be a telltale sign of volcanism. Tom Hawking, Popular Science, 5 Sep. 2024 See all Example Sentences for magma 

Word History

Etymology

Middle English, from Latin magmat-, magma, from Greek, thick unguent, from massein to knead — more at mingle

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of magma was in the 15th century

Dictionary Entries Near magma

Cite this Entry

“Magma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magma. Accessed 22 Nov. 2024.

Kids Definition

magma

noun
mag·​ma ˈmag-mə How to pronounce magma (audio)
: molten rock material within the earth
magmatic adjective

Medical Definition

magma

noun
mag·​ma ˈmag-mə How to pronounce magma (audio)
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

More from Merriam-Webster on magma

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