(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

plural of electronic organ

A generator that creates electricity using spinning magnets; a dynamo.

Relating to electrolysis / Relating to electrolytes

A battery, capacitor or other similar device

(quantum mechanics) The field concerned with the interaction of radiation and matter, and on the effects of quantum mechanics on the behaviour of electrons.

(physics) the study of the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics

(physics) Any material that confines electrons in such a small space that their wavelike behaviour becomes important and their properties are strongly modified by quantum mechanical effects; examples include atoms and layered semiconductor devices.