Magma - Meaning, Definition & English Examples
Magma is molten rock beneath the Earth's surface, formed by intense heat and pressure. When it erupts from a volcano, it becomes lava. Magma plays a key role in shaping the Earth's crust.
Definition:
Molten rock beneath Earth's surface, capable of erupting as lava.
Synonyms:
lava, molten rock, igneous material
Part of Speech:
noun
Antonyms:
solid rock, ice
Common Collocations:
volcanic magma, magma chamber, magma flow, molten magma
Derivatives:
magmatic, magmatism
Usage Tips:
Use "magma" to describe underground molten rock; "lava" refers to it after eruption.
Common Phrases:
magma chamber, magma flow, molten magma
Etymology:
From Greek "mágma," meaning thick unguent or paste, later adapted for geology.
Examples:
- 1. The volcano's magma rose steadily toward the surface.
- 2. Scientists study magma to predict eruptions more accurately.
- 3. Magma cools slowly underground to form granite.
- 4. The heat from the magma melted surrounding rocks.