Heat and cool, in order to strengthen WSJ Crossword Clue
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The most common and recent 6-letter answer for "Heat and cool, in order to strengthen" is ANNEAL.
The clue refers to the process of heating and then slowly cooling a material, typically metal or glass, to increase its strength and remove internal stresses. 'Anneal' is a term used in metallurgy and glassmaking for this exact process.
This clue was last seen in the WSJ Crossword on March 03, 2026.
Anneal means to heat and then slowly cool a material to make it stronger.
toughen metal or glass
The clue “Heat and cool, in order to strengthen” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated March 3 2026, the definitive 6-letter answer is: ANNEAL.
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