magma
noun
molten material beneath or within the earth's crust, from which igneous rock is formed.
magmatism
-
a word derived from
magma.
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 process, known as "transcrustal magmatism," had previously been thought to be unique to Earth.
From Science Daily ● Sep. 4, 2026
"There's always been a 'chicken-and-egg' question of which came first -- the start of plate tectonics or TTG magmatism to make new continental crust," says Dr. Smit.
From Science Daily ● Jan. 31, 2024
Their size and distribution hold clues to plate tectonics and magmatism.
From Science Magazine ● Apr. 18, 2023
This caused magmatism as the subducting slab sank, allowing asthenosphere material to rise around it.
From Textbooks ● Jan. 1, 2017
About 45 million years ago, another episode of magmatism sent dikes of granitic pegmatite through the orthogneiss.
From Scientific American ● Mar. 7, 2012
