Ion
An ion is an atom that has gained or lost one or more electrons and has thereby acquired a net electric charge. A negatively-charged ion is an anion; a positively-charged one is a cation.

Barystatic filters caused negatively-charged ion pollution. ()

The Chamra Vortex included ionized gas which interfered with sensors. ()

Ion distribution needed to be checked when analyzing subspace infrared telemetry. ()

See also 
Ion engine
Ion power
Ion propulsion
Ion shock wave
Ion storm
Ion surfing
Ionic pulse
Ionizing radiation
Ionosphere
Polaric ion
Polaric ion energy

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