reaumur

• Nom propre ou adjectif se rapportant au physicien français René-Antoine Ferchault de Réaumur, connu pour l'invention du thermomètre à alcool et l'élaboration d'une échelle de température portant son nom.

A proper noun referring to a French physicist known for inventing the alcohol thermometer and developing the Réaumur temperature scale.

indénombrable · nom propre

1. French physicistC1formal

   René Antoine Ferchault de Réaumur, a French scientist known for inventing the alcohol thermometer and his work in entomology.

   René Antoine Ferchault de Réaumur

   • Réaumur developed a temperature scale that was widely used in Europe.
   • The physicist Réaumur is also famous for his studies on insects.
   • Réaumur's thermometer used alcohol instead of mercury.

2. C1formal

   A temperature scale where the freezing point of water is 0 degrees and the boiling point is 80 degrees.

   Échelle de Réaumur

   • The Réaumur scale was commonly used in 18th-century France.
   • Convert 20 degrees Réaumur to Celsius by multiplying by 1.25.
   • Some old cookbooks still reference the Réaumur scale.