First Known Use: 15th century
Dictionary
magma
noun mag·ma \ˈmag-mə\
: hot liquid rock below the surface of the Earth
Full Definition of MAGMA
2
: a thin pasty suspension (as of a precipitate in water)
3
: molten rock material within the earth from which igneous rock results by cooling
— mag·mat·ic \mag-ˈma-tik\ adjective
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Origin of MAGMA
Middle English, from Latin magmat-, magma, from Greek, thick unguent, from massein to knead — more at mingle
Other Geology Terms
MAGMA Defined for Kids
magma
noun mag·ma \ˈmag-mə\
Definition of MAGMA for Kids
: molten rock within the earth
Medical Dictionary
magma
noun mag·ma \ˈmag-mə\
Medical Definition of MAGMA
1
: a crude mixture of mineral or organic matter in the state of a thin paste
2
: a suspension of a large amount of precipitated material (as in milk of magnesia) in a small volume of a watery vehicle
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