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magma
nounmasculinetechnicalcommon/ˈmaɡmɐ/mag·ma
Definition
1Molten rock mass, of high temperature, found inside the Earth and which, upon reaching the surface, originates volcanic lava.
Usage examples
“The magma accumulated in the magma chamber can cause an eruption.”
“The composition of the magma determines the type of volcanic rock formed.”
Antonyms
Common combinations
volcanic magmamagma chambermagma ascentmagma melting