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Reaumur

The Réaumur is a unit of temperature named for Ren� Antoine Ferchault de R�aumur, who first proposed it in 1731. The freezing point of water is 0° Reaumur, the boiling point 80° Reaumur. Hence a degree Reaumur is 1.25 degrees Celsius or kelvin.

The Reaumur scale is still used in some parts of Europe, but today it is in most places of mainly historical significance.

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