English Lexicon

Magma chamber

/ˈmæɡ.mə ˌtʃeɪm.bər/
nounCEFR B2 (Upper)Top #2500 frequency
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1 sense
As noun
  1. 1

    A large pool of liquid rock beneath the surface of the Earth.

    "An eruption can occur when pressure builds up inside the magma chamber."

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Synonyms (1)

Linguistic Origin & Historical Etymology

Derived from 'magma' (from Ancient Greek 'magma', meaning 'thick unguent') and 'chamber' (from Old French 'chambre', from Latin 'camera').

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