Celsius temperature, \(t\), \(\theta\)

@T06321@ minus \(273.15\ \text{K}\), invariably expressed in the SI unit @D01561@ (\(^{\unicode{x26ac}}\text{C}\)) which is equal to the @K03374@. Sometimes the misnomer centigrade temperature is used for Celsius temperature.
Green Book, 2nd ed., p. 48 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 965 [Terms] [Paper]