It is temperature scale where boiling point is taken to be as 80 degrees and freezing point is taken to be as 0 degrees. It’s also known as Octogesimal division. Like other units of temperatures, it’s also used to measure temperatures.
Antoine Ferchault de Reaumur was the first who proposed a scale similar to Reaumur in 1730. It’s origin basically comes from the France and Germany where it was earlier being used. Along with, all over the Europe it was being used at large scales. Even if it was widely used in Europe, yet it was replaced with Celsius scale till 1790s. However, it had been used till 1950 in some areas of Europe although it was replaced earlier.
Its abbreviation is °Re and sometimes it’s been used as a symbol r.
It has not been used in current era but in some areas in food industry it’s still used at minor scale. Therefore, it’s not wrong to say that it has been replace with other temperature scales. Italian and Swiss factories use it for measuring milk temperatures while production of cheese.
The variants include Celsius, Fahrenheit, Kelvin, Rankine scales. The links are given below by which you can interconvert these units.
