A cylindrical battery-powered device that provides inhaled doses of nicotine by way of a vaporized solution.

(biochemistry) Any of several classes of molecules that act as both an acceptor and donator of electrons and function in an energy-producing system such as photosynthesis.

plural of electron cloud

(physics) A mathematically defined region around an atomic nucleus defined by a high probability that the atom's electrons will be present in that region.

(physics) The number of electrons in an atom or ion

plural of electron configuration

plural of electronic mail

plural of electronic circuit

plural of electronic sport

The competitive playing of video games as a sport.