magma

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

Definition of magma

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

Other Words from magma

magmatic \ mag-​ˈma-​tik How to pronounce magma (audio) \ adjective

Examples of magma in a Sentence

Recent Examples on the Web But people were warned to stay away because of the risk from noxious fumes and hot magma. Morgan Coates, Washington Post, 3 Aug. 2022 The magma below the park is close to the surface, creating the hot springs above. Ashley Dunne, Sunset Magazine, 24 June 2022 Farley later said that the rock appears to have formed when crystals grew and subsequently settled in a slow-colling magma. Joshua Hawkins, BGR, 17 Dec. 2021 The first signs of an impending eruption started over a month ago, when the Pu‘u ‘Ō‘ō crater in Kilauea’s east rift zone began experiencing uplift, indicating a growing magma chamber below. Wes Siler, Outside Online, 4 May 2018 According to the Guardian, scientists already knew of a large magma chamber. The Editors, Outside Online, 24 Apr. 2015 As gases start to build up pressure, the magma becomes unstable. Richard Galant, CNN, 23 Jan. 2022 As gases start to build up pressure, the magma becomes unstable. Corryn Wetzel, Smithsonian Magazine, 18 Jan. 2022 As gases start to build up pressure, the magma becomes unstable. Richard Galant, CNN, 23 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of magma

15th century, in the meaning defined at sense 1

History and Etymology for magma

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

Learn More About magma

Time Traveler for magma

Time Traveler

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

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Dictionary Entries Near magma

maglev

magma

magma chamber

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Statistics for magma

Last Updated

13 Aug 2022

Cite this Entry

“Magma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magma. Accessed 14 Aug. 2022.

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More Definitions for magma

magma

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

Kids Definition of magma

: molten rock within the earth

magma

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

Medical Definition of magma

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

Nglish: Translation of magma for Spanish Speakers

Britannica.com: Encyclopedia article about magma

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