\R['e]`au`mur"\, a.
Of or pertaining to Ren['e] Antoine Ferchault de R['e]aumur;
conformed to the scale adopted by R['e]aumur in graduating
the thermometer he invented. -- n. A R['e]aumur thermometer
or scale.
Note: The R['e]aumur thermometer is so graduated that 0[deg]
      marks the freezing point and 80[deg] the boiling point
      of water. Frequently indicated by R. Cf. {Centigrade},
      and {Fahrenheit}. See Illust. of {Thermometer}.