Dictionary

quadrupole en · NOUN

Etymology

From quadru- + pole.

Meanings

1. A distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions.
   • Consider a linear quadrupole consisting of a point charge of strength 2q at the origin and point charges of strength —q at (0, 0, a) and (0, 0, —a). 1975, David M. Cook, The Theory of the Electromagnetic Field, page 123:
2. A magnet with two north poles and two south poles, used to focus a beam of particles.

Forms

Deriveds

nuclear quadrupole resonance · pentaquadrupole · antiferroquadrupole

Relateds

quadrupolar · quadripole · octupole

Translations (2)

bg четириполюсник (a distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions) · ru квадрупо́ль (a distribution of either electric charge or magnetization equivalent to two dipoles that point in opposite directions)