blue heat

noun

: a temperature (such as 550° to 600° F) at which iron or steel becomes bluish compare temper color

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Dictionary Entries Near blue heat

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blue heat

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“Blue heat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20heat. Accessed 15 Dec. 2024.

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