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Definitions

magma

[mag-muh] / ˈmæg mə /
NOUN
lava
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some vents are powered by heat from volcanic activity deep within Earth, while others form through chemical reactions between water and rock that generate heat without magma.

From Science Daily • Apr. 3, 2026

Seama suggests this work could help scientists better understand how magma supply cycles develop after massive eruptions.

From Science Daily • Mar. 29, 2026

Scientists have discovered that the magma reservoir tied to the largest volcanic eruption of the Holocene is filling again.

From Science Daily • Mar. 29, 2026

Researchers suggest that L 98-59 d may be the first identified example of a broader population of gas rich sulfur dominated planets that sustain long lived magma oceans.

From Science Daily • Mar. 17, 2026

Rock from the subducting plates turns to magma when it reaches the mantle, creating hot spots that, over millennia, melt through the crust and break through as lava, forming volcanoes.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing magma