magma

Definiciones

The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc.

Equivalentes

Ejemplos

“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.”

Nivel CEFR