(physics) The fundamental interaction responsible for the electromagnetic force.

(physics) A long-range fundamental force that acts between charged bodies, mediated by the exchange of photons.

(neurology) An instrument used for recording of electrical brain activity.

(neurology) A recording of electrical brain activity (brain waves) made by an electroencephalograph.

A book published in electronic form.

An electric current, such as a spark, that is triggered when the potential difference exceeds a threshold value.

Alternative form of ion selective electrode

(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.

a hydrogen electrode

(chemistry, physics) an electrode in which hydrogen gas is adsorbed on platinum