By means of electronics, or of electronic technology.

(rare) electronic

operating by use of electricity; digital

plural of valence electron

plural of unpaired electron

Media utilizing electronics or electromechanical energy so that the end user can access content.

(chemistry, physics) Two electrons having opposite spin but all other quantum numbers the same; i.e two electrons in the same atomic orbital or molecular orbital, especially such electrons that function in concert to form a covalent bond

(physics) Any device that produces a stream of electrons, especially a narrow stream that is focused onto a phosphor screen.

communication which is transmitted electronically

The digital publication of ebooks and electronic articles, and the development of digital libraries and catalogues, regardless whether the distribution is through computer network or on CD and DVD.