(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.

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.

plural of electronic organ

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

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

microscopy carried out using an electron microscope

The electron microscopy of sensitive biological materials carried out at low temperature so as to limit damage to the structure of the material being examined

(physics) Any device that produces a stream of electrons, especially a narrow stream that is focused onto a phosphor screen.

A micrograph produced using an electron microscope.

(chemistry, physics) Two electrons having opposite spin but all other quantum numbers the same; i.e two electrons in the same atomic orbital or molecular orbital, especially such electrons that function in concert to form a covalent bond