Definition of Réaumur scale in English:

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Réaumur scale

Pronunciation: /ˌrā-ōˈmyo͝or/ Pronunciation: /rāˈōˌmyo͝or/


An obsolete scale of temperature at which water freezes at 0° and boils at 80° under standard conditions.
Example sentences
  • The Réaumur scale saw widespread use in Europe, particularly in France and Germany as well as Russia.
  • Use of the Réaumur scale was once widespread, but by the late 19th century it had been supplanted by other systems.


Late 18th century: named after René A. F. de Réaumur (1683–1757), French naturalist.

For editors and proofreaders

Syllabification: Ré·au·mur scale

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