1. The study and application of the conduction of electric charges in various media, including vacuums, gaseous media, and semiconductors.
2. The science of all systems involving the use of electrical instruments used for communication information processing, and control.
3. That field of science and engineering which deals with electron systems, circuits, and devices that control the flow of electrons.
4.The name given to that branch of electrical engineering that deals with tools the operations of which depend on the movement of electrons in space as opposed to the movement of electrons in liquids or solid conductors; for example, radio tubes, photoelectric cells, etc.

An engineer whose training includes a degree in electronic engineering from an accredited college or university, a degree in electrical engineering with a major in electronics, or comparable knowledge and experience as required for working with electronic circuits and tools.

The industrial organizations engaged in the design, development, manufacture, and the substantial assembly of electronic equipment, systems, assemblies, and components.

A serviceman who is qualified to repair and to maintain electronic equipment.

A pulse generator used to apply voltages to the body for activating muscles, identifying nerves, and for other medical diagnoses for identifying or determining the natures and causes of diseases or injuries.

A technician with both theoretical and practical training in electronics technology who is qualified to work under the direction of an electronics engineer or independently in assembling, testing, and repairing electronic equipment, in factories, laboratories, and in private business.