ɪˈlektrɔn n. a stable
elementary particle with a
charge of
negative electricity, found in
all atoms
and acting as
the primary carrier of electricity in solids. øelectron
beam a
stream of electrons in a
gas or
vacuum. electron diffraction the diffraction of a beam of electrons by atoms or molecules, used
for determining
crystal structures etc. electron
gun a
device for producing a
narrow stream of electrons
from a
heated cathode. electron
lens a device for focusing a stream of electrons by
means of
electric or
magnetic fields. electron
microscope a microscope with
high magnification and
resolution, employing electron beams in
place of
light and using electron lenses. electron
pair an electron and a
positron. electron
spin resonance a spectroscopic
method of locating electrons
within the molecules of a
paramagnetic substance. °Abbr.:
ESR. [ELECTRIC + -ON]