: the system of electrons surrounding the nucleus of an atom
Examples of electron cloud in a Sentence
Recent Examples on the WebAn atomic clock employs an electric oscillator regulated by an atom’s natural oscillation movement between the positive charge on the nucleus and the surrounding electron cloud.
Larry Printz, Ars Technica, 24 June 2020 Impurities can act like a shield in the path of electron clouds, forcing the electrons to scatter.
Courtney Linder, Popular Mechanics, 2 Apr. 2020 When two atoms get close together, each one’s electron cloud pushes the other’s around, and sometimes the two atoms start to behave as a unit: a molecule.
Sophia Chen, WIRED, 27 Apr. 2018
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electron cloud.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.