Definition from Wiktionary, the free dictionary
- IPA: /sɛlsiːəs/
- (Can we clean up(+) this sense?) A metric scale of temperature, originally defined as having the freezing point of water as 0° and its boiling point as 100°, at standard atmospheric pressure. The standardized definition has 0.01° C as the triple point of water, and a difference in temperature of 1° C corresponds to 1/273.16 of the difference in temperature between the triple point and the absolute zero.
- centigrade (slightly old-fashioned)
metric scale of temperature
- Of the Celsius temperature scale.