magma
noun
mag·ma ˈmag-mə 
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
mag-ˈma-tik
adjective 
Example Sentences
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
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 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
Kids Definition
magma
noun
mag·ma ˈmag-mə
: molten rock within the earth
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