Enter a clue or pattern or both:
The Clue
Toughen (6 letter answer)
The Answer
ANNEAL
Tags
Notes
The answer ANNEAL is uncommon, appearing about once every 450 puzzles.
Related Clues
Strengthen and temper
Toughen, as glass
Temper, as metal
Temper steel
Strengthen by tempering
Treat, as glass
Temper
Temper, as steel
Toughen, as steel
Toughen or temper
Temper, as glass
Strengthen
Temper or toughen
Temper.
Toughen glass
Definition
ANNEAL as a verb:
1. (anneal, temper, normalize) = toughen (steel or glass) by a process of gradually heating and cooling; "temper glass"