quadrupole
noun
quad·ru·pole
ˈkwä-drə-ˌpōl 
: a system composed of two dipoles of equal but oppositely directed moment
Examples of quadrupole in a Sentence
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Scientists studied 20 common bottlenose dolphins (Tursiops truncatus truncatus) that were stranded in the IRL, using Triple quadrupole tandem mass spectrometry (QqQ or TQMS).
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Pranjal Malewar, New Atlas, 14 Oct. 2025
The global magnetic field also has quadrupole and octopole components, which make its actual geometry something like a playground jack with extra spikes.
—Adam Davidson, The New Yorker, 13 Feb. 2017
The Rio lab is equipped with several tandem systems, including one that utilizes quadrupoles—groups of four cylindrical metal rods.
—IEEE Spectrum, 25 July 2016
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Pranjal Malewar, New Atlas, 14 Oct. 2025
The global magnetic field also has quadrupole and octopole components, which make its actual geometry something like a playground jack with extra spikes.
—Adam Davidson, The New Yorker, 13 Feb. 2017
The Rio lab is equipped with several tandem systems, including one that utilizes quadrupoles—groups of four cylindrical metal rods.
—IEEE Spectrum, 25 July 2016
Cite this Entry
“Quadrupole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrupole. Accessed 20 Oct. 2025.
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