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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

These findings support a broader model explaining how magma reservoirs beneath caldera volcanoes refill over time.

From Science Daily • Mar. 29, 2026

At the same time, the magma ocean below acts as a massive storage system for volatile materials, absorbing and releasing gases over billions of years after the planet formed.

From Science Daily • Mar. 17, 2026

These independent observations verified that magma intrusions had taken place and that the probability of an eruption was high.

From Science Daily • Mar. 15, 2026

“When that much rock goes, the pressure drop on magma below would be huge … That could trigger eruption.”

From "Mountain of Fire" by Rebecca E. F. Barone




Vocabulary lists containing magma