magma

中文： 岩浆、原群

1. A mixture of molten silicate rock, crystals, and gas within the earth, which may be erupted as lava or cool in place to form igneous intrusions. (countable, uncountable)
2. A basic algebraic structure consisting of a set equipped with a single binary operation. (countable, uncountable)
3. Any soft doughy mass. (countable, uncountable)
4. The residuum after expressing the juice from fruits. (countable, uncountable)

复数 magmas