1. Of or relating to electrons.

2. Of, based on, operated by, or otherwise involving the controlled conduction of electrons or other charge carriers, especially in a vacuum, gas, or semiconducting material.

3. Of, relating to, or produced by means of electronics: electronic navigation; electronic books.

4. Of or relating to music produced or altered by electronic means, as by a tape recorder or synthesizer.

5. Of, implemented on, or controlled by a computer or computer network.