mag ‧ ma /ˈmæɡmə/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Language: Latin ; Origin: Greek , from massein 'to press and mix together' ]
technical hot melted rock below the surface of the Earth
mag ‧ ma /ˈmæɡmə/ BrE AmE noun [uncountable]
[ Date: 1400-1500 ; Language: Latin ; Origin: Greek , from massein 'to press and mix together' ]
technical hot melted rock below the surface of the Earth
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012