Dictionary Entry

magma

noun

Find the meaning of the word magma, plus dictionary definition, pronunciation, thesaurus-style synonyms, antonyms, and related vocabulary.

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Meaning

Dictionary meaning in a clear, student-friendly format.

molten rock beneath the Earth's surface; called lava once it reaches the surface

Example Sentence

The volcano shook when the underground magma began to rise toward the surface.

Usage Note

Use this word when talking about what happens inside Earth before a volcano erupts; once it comes out we call the same hot liquid lava.