a paste or suspension consisting of a finely divided solid dispersed in a liquid
2.
hot molten rock, usually formed in the earth's upper mantle, some of which finds its way into the crust and onto the earth's surface, where it solidifies to form igneous rock
Derived forms
magmatic (mæɡˈmætɪk)
adjective
magmatism (ˈmagmatism)
noun
Word origin
C15, from Latin: dregs (of an ointment), from Greek: salve made by kneading, frommassein to knead