Ionic pulse
An ionic pulse was an energy discharge that could be produced by  starships.

In 2371, when the  came under attack from a  Klingon Bird-of-Prey, Lieutenant Commander Data targeted an ionic pulse at the Bird-of-Prey's defective plasma coil. This had the effect of engaging the Klingons' cloaking device and lowering their shields, making them vulnerable to a counterattack. ()

See also
 Ion
 Phased ionic pulse
Energy