| 词汇 | planck |
| 词源 | Planckin physics, in reference to the work of German physicist Max Planck (1858-1947); such as Planck's constant, attested in English from 1901. updated on July 05, 2020 |
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英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。