Réaumur scale

== English == === Etymology === Named after the French scientist René Antoine Ferchault de Réaumur (1683–1757). === Proper noun === Réaumur scale A temperature scale on which 0 °C is 0 and 100 °C is 80. (historical) A temperature scale on which water freezes at 0 and the alcohol mixture expands by 8% and boils at 80. ==== Coordinate terms ==== === Further reading === Réaumur scale on Wikipedia.Wikipedia