annealing
Annealing (noun) means annealing is the process of heating solid metal or glass and then letting it cool slowly so that its internal structure settles and stress is removed. Example: “The blacksmith finished the blade with a round of annealing to stop it cracking.”
How to use annealing
Learner’s notesIn plain EnglishAnnealing is heating something up and then cooling it down slowly to make it stronger and less stressed inside.
It is a technical term used mainly in metalworking, glassmaking and materials science.
Remember that the slow cooling is just as essential as the heating; rushing it defeats the point of annealing.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The blacksmith finished the blade with a round of _____ to stop it cracking.
Etymology
Annealing is the noun and gerund form of the verb anneal, describing the act of applying controlled heating and slow cooling to metal or glass.