Sailing Glossary - Term International Practical Temperature Scale of 1968

Set by the 1968 General Conference of Weights and Measures. In the IPTS-68, both thermodynamic and practical units were defined to be identical and equal to 1/273.16 of the thermodynamic temperature of the triple point of water. The unit itself was renamed \the kelvin\"" in place of \""degree Kelvin\"" and designated \""K\"" in place of \""°K\"". ""