You searched for: “electron cloud
electron cloud
1. An average region around the nucleus of an atom, in which the electrons are predicted to be at certain states of excitation.
2. The group or system of electrons revolving around the nucleus of an atom; a cloud-like group of electrons.
3. In a vacuum tube, the area between the electrodes that contains a great number of relatively stationary electrons.
This entry is located in the following units: electro-, electr-, electri- (page 48) -tron, -tronic, -tronics + (page 3)