magma
Geology. molten material beneath or within the earth's crust, from which igneous rock is formed.
any crude mixture of finely divided mineral or organic matter.
Chemistry, Pharmacology. a paste composed of solid and liquid matter.
Origin of magma
1Other words from magma
- mag·mat·ic [mag-mat-ik], /mægˈmæt ɪk/, adjective
- mag·ma·tism, noun
Words that may be confused with magma
- lava, magma
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use magma in a sentence
So if it really is magma that InSight is hearing, then we come closer to understanding not only Mars, but our own planet as well.
Rumbles on Mars Raise Hopes of Underground Magma Flows | Robin George Andrews | February 1, 2021 | Quanta MagazineIf we understand how volcanic Mars is, how capable it is of making eruptible magma, we can understand its internal evolution and compare it to Earth’s.
Rumbles on Mars Raise Hopes of Underground Magma Flows | Robin George Andrews | February 1, 2021 | Quanta MagazineA neighboring area called Tharsis bulge—which is home to the solar system’s largest volcano Olympus Mons—became engorged with magma, stretching and ripping the landscape, and eventually caused a massive rift.
One hallmark of many calderas is still-active volcanoes on their rims that tap into the same magma chamber, even long after the caldera itself formed.
An enormous supervolcano may be hiding under Alaskan islands | Beth Geiger | December 7, 2020 | Science NewsWhen magma was purged from Earth’s interior, rigid rafts formed in the mantle beneath the new crust, shielding it from further destruction.
After 1.5 Billion Years in Flux, Here’s How a New, Stronger Crust Set the Stage for Life on Earth | Fabio A Capitanio | December 3, 2020 | Singularity Hub
It may be noted also that hypersthene shows a tendency to magmatic alteration, although only rarely.
Mount Rainier | VariousWhere it occurs it is in brown crystals, which have usually suffered magmatic alteration.
Mount Rainier | Various
British Dictionary definitions for magma
/ (ˈmæɡmə) /
a paste or suspension consisting of a finely divided solid dispersed in a liquid
hot molten rock, usually formed in the earth's upper mantle, some of which finds its way into the crust and onto the earth's surface, where it solidifies to form igneous rock
Origin of magma
1Derived forms of magma
- magmatic (mæɡˈmætɪk), adjective
- magmatism, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for magma
[ măg′mə ]
The molten rock material that originates under the Earth's crust and forms igneous rock when it has cooled. When magma cools and solidifies beneath the Earth's surface, it forms what are known as intrusive rocks. When it reaches the Earth's surface, it flows out as lava and forms extrusive (or volcanic) rocks.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for magma
Notes for magma
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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