noun
Réaumur temperature scale; degrees Réaumur
Scientific term for the Réaumur temperature scale, where water freezes at 0°Ré and boils at 80°Ré. Rarely used in modern contexts; mostly historical or domain-specific.
列氏温度は、かつてヨーロッパで使われていた温度目盛りです。
The Réaumur temperature scale is a temperature scale that was once used in Europe.
From 列氏 (Réaumur, from the French scientist René Antoine Ferchault de Réaumur) + 温度 (temperature).