plural of electron tube

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

microscopy carried out using an electron microscope

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

The digital publication of ebooks and electronic articles, and the development of digital libraries and catalogues, regardless whether the distribution is through computer network or on CD and DVD.

plural of electronic game

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

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.