B2nounsciencenature
US/ˈmæɡ.mə/
UK/ˈmæɡ.mə/
hot melted rock found beneath the surface of the Earth
In context
Magma rises through cracks in the crust and can build a volcano.
When magma reaches the surface, it is called lava.
The report explains how a chamber of magma can sit under a volcano for centuries.
Words that go with magma
noun + noun
- magma chamberScientists measured the heat inside the magma chamber.
- magma flowThe magma flow slowed after the eruption.
adjective + noun
- molten magmaMolten magma flowed up through the fissure.
- rising magmaRising magma pushes against the rock above it.
- hot magmaHot magma heats the water deep in the ground.