好词典

kelvin

UK //ˈkɛlvɪn//US //ˈkɛlvɪn//

词源

Named after William Thomson, 1st Baron Kelvin (1824–1907), a British physicist who developed the absolute temperature scale.

noun

❶ 开尔文是国际单位制中的温度单位,符号为K,用于科学和工程领域测量绝对温度。

“Water boils at 373.15 kelvins under standard pressure.”

(在标准大气压下,水的沸点是373.15开尔文。)

“The temperature of outer space is about 2.7 kelvins.”

(外层空间的温度约为2.7开尔文。)

同义词:K, absolute temperature unit

常见短语

kelvin scale — 开尔文温标,一种绝对温标,以绝对零度为起点,常用于科学测量。

“The kelvin scale is used in thermodynamics and physics.”

(开尔文温标用于热力学和物理学。)