Magma Meaning
/ˈmæɡ.mə/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounA 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.
nounA basic algebraic structure consisting of a set equipped with a single binary operation.
Sentence Examples
Magma from the mantle or lower crust rises through its crust towards the surface.
CEFR Practice Quiz
During the volcanic eruption, glowing hot ____ flowed from the crater and destroyed everything in its path.
CEFR Practice Quiz (Alternate)
The volcano erupted, sending a large stream of molten ____ down its slopes and into the nearby valley.
Word Origin & History
Etymology tree Proto-Indo-European *mh₂ǵyéti Ancient Greek μάσσω (mássō) Proto-Indo-European *-mn̥ Ancient Greek -μα (-ma) Ancient Greek μάγμα (mágma)der. English magma From Ancient Greek μάγμα (mágma, “paste”).
Literary Quotations & Historical Citations
"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:
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CEFR Practice Quiz
During the volcanic eruption, glowing hot ____ flowed from the crater and destroyed everything in its path.
CEFR Practice Quiz (Alternate)
The volcano erupted, sending a large stream of molten ____ down its slopes and into the nearby valley.