- random movement of microscopic particles suspended in a fluid, caused by bombardment of the particles by molecules of the fluid. First observed in 1827, it provided strong evidence in support of the kinetic theory of molecules
| 单词 | brownian movement |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 Brown′i•an move′ment (brou′nē ən),USA pronunciation [Physics.]
Collins Concise English Dictionary © HarperCollins Publishers:: Brownian movement /ˈbraʊnɪən/ n
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