V2EX kilogram

Kilogram

释义 Definition

名词 (n.) 千克,公斤。国际单位制中质量的基本单位,等于1000克。

发音 Pronunciation

/klrm/

例句 Examples

This bag of rice weighs five kilograms.
这袋大米重五千克。

The international prototype of the kilogram, a platinum-iridium cylinder kept in Paris, was replaced in 2019 by a definition based on fundamental constants of physics.
保存在巴黎的千克国际原器一个铂铱合金圆柱体在2019年被基于物理基本常数的新定义所取代。

词源 Etymology

该词源自法语 kilogramme,由希腊语前缀 kilo-(χλιοι,意为"一千")与法语 gramme(克)组合而成。gramme 则源自晚期拉丁语 gramma,意为"小重量",最终可追溯至希腊语 grámma(γρμμα,意为"小重量")。该词随法国大革命时期推行的公制系统于18世纪末正式确立,约1795年开始使用。

关联词 Related Words

文学作品引用 Literary References

  • 在儒勒凡尔纳的《海底两万里》(Twenty Thousand Leagues Under the Seas)中,作者在描述"鹦鹉螺号"的技术参数时多次使用 kilogram 来说明潜艇的排水量和物资重量,体现了19世纪欧洲对公制单位的广泛采用。
  • 在科普经典《万物简史》(Bill Bryson, A Short History of Nearly Everything)中,kilogram 被频繁提及,尤其是在讨论国际千克原器及其精度问题的章节中。
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