Meaning & use

magma

noun·Academic

Hot, molten or semi-molten rock found beneath Earth's surface.

See it in a sentence

Magma rises through cracks in the crust and can erupt as lava.

Geologists carefully studied the magma chamber beneath the dormant volcano.

A note on using this word

Magma refers to molten rock underground; once it reaches the surface through an eruption, it is called lava.

Words with a similar meaning

This term is best learned through its definition and examples.

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Make it your own

Write a sentence using “magma”, then compare your use with the examples above.

Your draft stays on this page and is not sent anywhere.