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magma chamber

British  

noun

  1. a reservoir of magma in the earth's crust where the magma may reside temporarily on its way from the upper mantle to the earth's surface

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This is creating a 3D map that shows how the hydrothermal system is connected to the volcano's magma chamber where an eruption is generated.

From BBC • Apr. 20, 2025

Indeed, the fact that there were so many hot spots spaced so closely together suggests that there is a vast underground magma chamber system.

From Salon • Feb. 3, 2025

The shift suddenly pressurizes the magma chamber, driving out the gas into the sky in an explosive burst.

From Science Magazine • May 27, 2024

The paper is titled "An upper-crust lid over the Long Valley magma chamber."

From Science Daily • Oct. 18, 2023

Beneath the surface is a magma chamber that is about forty-five miles across–roughly the same dimensions as the park–and about eight miles thick at its thickest point.

From "A Short History of Nearly Everything" by Bill Bryson

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