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international temperature scale

American  

noun

  1. a Celsius scale for use in measuring temperatures above −183°C in which specified values are assigned to the ice point, steam point, and melting point of gold, silver, and antimony and the boiling point of sulfur and of oxygen.


Example Sentences

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His research findings including studies on precision temperature measurement that were instrumental in the adoption of the International Temperature Scale of 1990.

From Washington Post