magma
Magma (noun) means Molten rock beneath the Earth's surface, which becomes lava when it erupts. Example: “Scientists monitor the volcano for signs of rising magma.”
How to use magma
Learner’s notesIn plain EnglishMolten rock still underground; once it erupts to the surface it's called lava instead.
Word forms
- Plural
- magmas, magmata
Fill the gap
Can you complete this real example?
Scientists monitor the volcano for signs of rising _____.
Etymology
From Greek mágma ("paste, thick ointment").