Magma doesn't have an antonym, in that there is no word or expression that means its direct opposite.
That being said, magma on the surface (as opposed to underground) is called lava; and once it cools, it's called lava rock or igneous rock.
The other parts of the planet (i.e. not the magma) are the crust and the core. Perhaps one of these terms is what you were looking for.
Molten rock is also known as "magma".
A synonym for magma could be lava.
another word for hot lava is magama
manga
mama mo
Liquid form: Molten Lava
Superb is another word for excellent. Superb is another word for excellent.
lava is rock that is in its molted form ,lava is what magma's called when it reaches the surface.
Another word for shake is "Tremble".
Another word for oneness is?
Yes, magma is another name for the molten rocks that are beneath or in the crust.
Molten Rock
The word magma is a noun, a common, concrete, uncountable noun; a word for hot liquid rock from inside the Earth; a word for a substance. The origin of the word is in the Greek language, where magma is solidified paste.
The noun magma has no plural form; magma is an uncountable noun, a word for a substance.
magma appears after a volcanic eruption.
there was much magma after the volcanic eruption
Magma or lavaLava is molten rock. Magma is a mixture of molten rock and solids.
Magma is heated rock within the Earth's crust. When magma reaches the surface, it is called lava.
Liquid rock.
Magma
"The magma from the great volcano completely annihilated all in the settlement below."
another name for the mineral crystals in cooling magma or lava