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English definition of “Celsius”

Celsius

noun [U], adjective uk   /ˈsel.si.əs/ (also centigrade, written abbreviation C) us  
(of) a measurement of temperature on a standard in which 0° is the temperature at which water freezes, and 100° the temperature at which it boils: Are the temperatures given in Celsius or Fahrenheit? The sample was heated to (a temperature of) 80°C.
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(Definition of Celsius from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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