Clue: Toughen, as glass
We have 1 answer for the clue Toughen, as glass. See the results below.
Possible Answers:
Related Clues:
- Temper, as metal
- Strengthen
- Toughen by heating, as glass
- Heat-treat
- Treat with heat to toughen
- Strengthen, as glass
- Temper
- Heat to remove stress from, as glass
- Toughen
- Heat and then cool
Last Seen In:
- USA Today - July 26, 2018
- New York Times - October 04, 2005
- Washington Post - April 19, 2003
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