Wiktionary
magma chambers
n. (magma chamber English)
Usage examples of "magma chambers".
It seems they've had some success with the technique on their world, coping with smaller magma chambers.
Researchers in the photosphere of the sun disappeared before they knew anything had failed, as did others working in magma chambers.
There was a lot of veering and dodging because of the magma chambers, but the scenery was spectacular.