magma
noun/ˈmæɡmə/
/ˈmæɡmə/
[uncountable] (specialist)- very hot liquid rock found below the earth’s surfaceWord Originlate 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’).
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magma