kelvin
noun /ˈkelvɪn/
/ˈkelvɪn/
(abbreviation K)
(plural kelvin or kelvins)
The plural kelvin is preferred in scientific language.- a unit for measuring temperature. One kelvin is equal in size to one degree Celsius, but the Kelvin scale starts at absolute zero and water freezes at 273.15 kelvin.
开（开尔文温标的计量单位，1 开相当于 1 摄氏度，但以绝对零度为计算起点，水的冰点为 273.15 开） 词源late 19th cent.: named after Lord Kelvin (1824-1907), British physicist and natural philosopher.