magma
noun
mag·ma
| \ ˈmag-mə
\
\
Definition of magma
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Other Words from magma
magmatic
\ mag-ˈma-tik
\
adjective
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adjective
Examples of magma in a Sentence
Recent Examples on the Web
The Galileo spacecraft’s close flybys in 1990s and early 2000s delivered some clues, with a few experts suggesting that a ginormous underground ocean of magma lurks beneath the surface. — Robin George Andrews, National Geographic, "This is our best look yet at the solar system's most volcanic object," 18 July 2019 One of the most influential hypotheses to come from the lunar samples is the idea that there was an ocean of magma on the early moon. — Erica Jawin, Scientific American, "Apollo’s Bounty: The Science of the Moon Rocks," 2 July 2019 Debate ensued among seismologists over the chances of a major eruption; some saw evidence that molten magma below the Earth’s crust was rising. — Matthew Berger, Discover Magazine, "Forecasting Doom: New Tech Could Help Predict Volcanic Eruptions," 30 June 2019 Scientists concluded that a small amount of magma was injected about 2.5 miles (4 kilometers) under the northern portion of the caldera. — Emilie Hooft, The Conversation, "We probed Santorini’s volcano with sound to learn what’s going on beneath the surface," 24 June 2019 Volcanic ash forms thanks to the expansion of gases within the rising magma. — Maya Wei-haas, Smithsonian, "A Brief Glossary of Volcano Vocab," 25 May 2018 According to the paper, during the impact the Earth was covered in a giant ocean of magma. — Avery Thompson, Popular Mechanics, "The Moon May Have Formed From a Molten Magma Ocean on Earth," 1 May 2019 There’s more magma (underground lava) in the system to be erupted. — Doyle Rice, USA TODAY, "Hawaii volcano: The science behind the eruption of Kilauea," 7 May 2018 Earth's only natural satellite still had a molten core, and gases escaping from underground magma would have produced an atmosphere. — Avery Thompson, Popular Mechanics, "Life May Have Once Existed on the Moon," 24 July 2018These 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.
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More Definitions for magma
magma
noun
English Language Learners Definition of magma
technical
: hot liquid rock below the surface of the Earth
See the full definition for magma in the English Language Learners Dictionary
magma
noun
mag·ma
| \ ˈmag-mə
\
\
Kids Definition of magma
: molten rock within the earth
magma
noun
mag·ma
| \ ˈmag-mə
\
\
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
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