Meaning & use
magma
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
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