Anneal
/əˈniːl/
Definition 1 of 2
Pro Tip 1/3Industrial Process
Anneal is often used to describe processes in manufacturing or material science. 
The factory must anneal the aluminum sheets before shaping them.
Pro Tip 2/3Physical Change
Annealing refers to a physical transformation that alters a material's properties. 
Annealed copper conducts electricity better than before the process.
Pro Tip 3/3Not Melting
Annealing involves heating but doesn't melt the material; it's not about liquifying. 
Be careful not to melt the metal; we only need to anneal it.