Celsius
WordNet
noun
(1) Swedish astronomer who devised the centigrade thermometer (1701-1744)
WiktionaryText
Etymology
After Swedish astronomer Anders Celsius (1701–1744), who first proposed the centigrade scale in 1742.
Adjective
Celsius
- 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.