- absolute zero (n.)
[absolute zero 词源字典]
- the idea dates back to 1702 and its general value was guessed to within a few degrees soon thereafter, but not precisely discovered until Lord Kelvin's work in 1848. It was known by many names, such as infinite cold, absolute cold, natural zero of temperature; the term absolute zero was among them by 1806.[absolute zero etymology, absolute zero origin, 英语词源]