Réaumur scale
A Thermometry Scale / From Wikipedia, the free encyclopedia
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This article is about the temperature scale. For other uses, see Réaumur (disambiguation).
Not to be confused with Rømer scale.
The Réaumur scale (French pronunciation: [ʁeomy(ː)ʁ]; °Ré, °Re, °r), also known as the "octogesimal division",[1] is a temperature scale for which the melting and boiling points of water are defined as 0 and 80 degrees respectively. The scale is named for René Antoine Ferchault de Réaumur, who first proposed a similar scale in 1730.[2]