quadrupole
The English word “quadrupole” has 2 meanings listed here.
noun
- A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.
- A magnet with two north poles and two south poles, used to focus a beam of particles.
Etymology
From quadru- + pole.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.