| Celsius temperature scale [`sel·se·ǝs `tem·prǝ·chǝr ´skāl] THERMODYNAMICS Temperature scale in which the temperature θc in degrees Celsius (°C) is related to the temperature Tk in kelvins by the formula θc = Tk - 273.15; the freezing point of water at standard atmospheric pressure is very nearly 0°C and the corresponding boiling point is very nearly 100°C.Formerly known as centigrade temperature scale. |