The liquid in an electronic cigarette that is used to produce the vapour.

The use of electronic or computer-based systems to cast and count votes in an election.

A voter who uses an e-voting system.

plural of e-voter

The quality or degree of being e-literate.

Competent in the use of information technology.

plural of e-catalog

A digital library; a virtual library offering books in computerized form.

plural of e-library

e-trade; online trading, as of stocks and shares