mag·ma
noun/ˈmæɡmə/
/ˈmæɡmə/
[uncountable] (specialist)- very hot liquid rock found below the earth’s surface
enlarge image岩浆 Word 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’).