magma
noun/ˈmæɡ.mə/
Etymology From Ancient Greek μάγμα (mágma, “paste”).
1
Geography, Geology, Natural sciences A mixture of molten silicate rock, crystals, and gas within the earth, which may be erupted as lava or cool in place to form igneous intrusions.
- By the pathside, there are occasional large boulders that shown black crystals the size of a fingernail; these are pyroxene minerals that had time to crystallise out deep within the chamber of liquid rock – or magma – beneath the volcano.2004, Richard Fortey, The Earth, Folio Society, published 2011, page 10:
2
Mathematics, Sciences A basic algebraic structure consisting of a set equipped with a single binary operation.
3
Any soft doughy mass.
4
The residuum after expressing the juice from fruits.
- Derived terms
- cryomagma, magma chamber, magmalike, magmasphere, magmic, postmagma, quagma
- Hyponyms
- alkaline magma, basaltic magma, dacite magma, felsic magma, intermediate magma, iron oxide magma, mafic magma, nonsilicic magma, rhyolite magma, ultramafic magma