That temperature, characteristic of each gas, above which it is not possible to liquefy a given gas.
Source:
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2183
PAC, 1993, 65, 2397
(Nomenclature for supercritical fluid chromatography and extraction (IUPAC Recommendations 1993))
on page 2399
