from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Describes the isothermal reversible reaction of a liquid phase and a solid phase to form a second solid phase during cooling
Sorry, no etymologies found.
This means you would be able to tell alot about say the actual structure of the mantle and the internal workings of the earth - I sort of felt a vagueness that eutectic and peritectic stuff should make an appearance but as I can't really remember what that was all about the reality is probably very far away from my comprehension :/