adj :  relating or conforming to a thermometric scale on which the boiling point of water is at 80° above the zero of the scale and the freezing point is at zero <the thermometer>  - abbr. R
 
Réaumur, René-Antoine Ferchault de (1683-1757), French physicist and naturalist. Réaumur devised in 1730 a thermometer with a scale marking 0° as the freezing point and 80° as the boiling point of water. Interested in many areas of science, he isolated gastric juice in 1752 and investigated its role in the digestive process.
 
 
 
Similar sounding terms:  ream·er 
 
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