Main Entry: mag·ma

Pronunciation: \ˈmag-mə\

Function: noun

Etymology: Middle English, from Latin magmat-, magma, from Greek, thick unguent, from massein to knead — more at mingle

Date: 15th century

1 archaic : dregs, sediment
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