1. Temperature measurement on the Celsius scale (where water freezes at zero degrees and boils at 100 degrees; unit divisions are equal to the kelvin, with zero kelvin being -273.15 C)
   - degree centigrade, degree Celsius, C, centigrade
    
2. Swedish astronomer who devised the centigrade thermometer (1701-1744)
   - Anders Celsius

Type of: astronomer, degree, stargazer [informal], uranologist

Encyclopedia: Celsius, Anders