Learn how to say Magma correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word magma:
noun (plural magmas or magmata /-mətə/)
hot fluid or semi-fluid material below or within the earth’s crust from which lava and other igneous rock is formed on cooling:
when red-hot magma comes into contact with seawater, an explosion results
basaltic magmas are normally expelled at the surface in a very hot and fluid state
late Middle English (in the sense ‘residue of dregs after evaporation or pressing of a semi-liquid substance’): via Latin from Greek magma (from massein ‘knead’)