单词 | electron cloud |
释义 | > as lemmaselectron cloud electron cloud n. Physics the electrons surrounding the nucleus of an atom, viewed as a cloud-like mass. ΚΠ 1920 Proc. Physical Soc. 33 114 The change in the distribution of the electron cloud which must occur when the voltage was applied might be responsible. 1946 Nature 16 Nov. 717/1 In the absence of a magnetic field, the electron-cloud in the outer incomplete shells of the atom or the molecule react [sic] on the nucleus. 2002 U.S. News & World Rep. 9 Sept. 68/2 Friction requires movement, but stationary atoms can also cling together briefly as the random shifting of their electron clouds grant each a transient electric charge. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。