pyrometric cone

noun

Definition of pyrometric cone

: any of a series of small cones of different substances that soften and arch over successively as the temperature rises, that together form a scale of fusing points and that are used in finding approximately the temperature (as of a kiln)

called also Seger cone

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“Pyrometric cone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrometric%20cone. Accessed 18 Apr. 2021.

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