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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.

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

“We don’t believe that sticking a needle into a huge magma chamber is going to create an explosive effect,” he asserts.

From BBC • Oct. 17, 2024

It’s not clear what causes these explosions, but scientists have long suspected that as the volcano’s subterranean magma chamber drained, groundwater encroached, flashing to steam with booming results.

From Science Magazine • May 27, 2024

This missing step involves a sort of geologic juicing in a magma chamber where zircons form before they reach the surface, with oceanic crust entering the chamber ahead of continental crust.

From Science Daily • Apr. 2, 2024

The geologists realized that only one thing could cause this–a restless magma chamber.

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

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