
1) Amorphous solid
Found on
https://www.crosswordclues.com/clue/polyamorphism

Polyamorphism is the ability of a substance to exist in several different amorphous modifications. It is analogous to the polymorphism of crystalline materials. Many amorphous substances can exist with different amorphous characteristics (e.g. polymers). However, polyamorphism requires two distinct amorphous states with a clear, discontinuous (fir...
Found on
http://en.wikipedia.org/wiki/Polyamorphism
No exact match found.