Meaning of the word anneal in English

What does anneal mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

anneal

US /əˈniːl/
UK /əˈniːl/

Verb

1.

heat (metal or glass) and allow it to cool slowly, in order to remove internal stresses and toughen it

Example:
The steel must be annealed to prevent it from becoming brittle.
Glass is annealed to relieve internal stresses.
2.

strengthen or harden (something)

Example:
The experience helped to anneal her resolve.
His character was annealed by hardship.