international temperature scale

noun

: a practical temperature scale defining all temperatures above −183° C by specified formulas relating temperatures at one atmosphere pressure to the indications of instruments calibrated at six reproducible fixed points: the boiling point of oxygen (−182.97° C), the ice point (0° C), the steam point (100° C), the boiling point of sulfur (444.6° C), the freezing point of silver (960.8° C), the freezing point of gold (1063° C)

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“International temperature scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/international%20temperature%20scale. Accessed 21 Jun. 2024.

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