Magma

Definitions

1. The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.
   countable, uncountable
2. A basic algebraic structure consisting of a set equipped with a single binary operation.
   countable, uncountable
3. Any soft doughy mass.
   countable, uncountable
4. The residuum after expressing the juice from fruits.
   countable, uncountable

Equivalents

Examples

“By the pathside, there are occasional large boulders that shown black crystals the size of a fingernail; these are pyroxene minerals that had time to crystallise out deep within the chamber of liquid rock – or magma – beneath the volcano.”

CEFR level