(physics) A unit for measuring the energy of subatomic particles; the energy equal to that attained by an electron moving through a potential difference of one volt. Equivalent to 1.6022 x 10⁻¹⁹ joules.

A leptonic elementary particle, having near-zero mass and no charge

(chemistry) any of the electrons in the outermost shell of an atom; capable of forming bonds with other atoms

A book published in electronic form.

(music) A keyboard musical instrument, resembling a spinet, or upright, piano in size and general shape, in which tone is generated by electronic circuits and radiated by loudspeaker.

plural of electronic organ

An electric circuit having at least one component that manipulates the voltage or current in the circuit

Any of several forms of microscope that use a beam of electrons, rather than one of light, and thus has a much greater resolving power.

Any source of information available through electronic means, now usually via the Internet.

(chemistry, physics) An electron, in an atomic orbital, for which there is no other electron in the same orbital but with opposite spin; a characteristic of free radicals and other reactive species