reaumur

noun

1. Re·né An·toine Fer·chault de [ruh–ney ahn–twan fer–shoh duh] /rəˈneɪ ɑ̃ˈtwan fɛrˈʃoʊ də/, 1683–1757, French physicist and inventor.

adjective

2. Also Re·au·mur. noting or pertaining to a temperature scale (Réaumur scale) in which 0° represents the ice point and 80° represents the steam point.

adjective

1. indicating measurement on the Réaumur scale of temperature