退火

Traditional form:

退火

Pinyin (reading):

tuìhuǒ

Definitions:

• annealing (metallurgy)

Characters:

• 退 - to retreat, to step back, to withdraw
• 火 - fire, flame; to burn; anger, rage

Traditional characters:

• 退 - to retreat, to step back, to withdraw
• 火 - fire, flame; to burn; anger, rage