quadrupole

Noun

 * 1)  A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.
 * 2)  A magnet with two north poles and two south poles, used to focus a beam of particles.
 * 1)  A magnet with two north poles and two south poles, used to focus a beam of particles.

Translations

 * Bulgarian: четириполюсник
 * Russian:


 * Italian:
 * Portuguese: