Definition of quadrupole in English:


Line breaks: quad|ru¦pole
Pronunciation: /ˈkwɒdrʊpəʊl


  • 1A distribution of electric charge or magnetization consisting of four equal monopoles, or two equal dipoles, arranged close together with alternating polarity and operating as a unit: [as modifier]: the quadrupole moment
    More example sentences
    • Lowering the temperature appears to substantially shorten the quadrupole echo decay time of the prominent doublet component.
    • The deuterium quadrupole echo spectra of the two samples are presented in Fig.7.
    • The two populations differ in their averaged quadrupole splitting and in their 2 H chemical shift values.
  • 1.1A device using a quadrupole arrangement directed at one point to focus beams of subatomic particles.
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    • In Q-Tof mass spectrometers ions are focused by a radio frequency lens before transmission to the quadrupole.
    • We have used a microfabricated planar quadrupole as a test bed for evaluating DEP-based traps, using polystyrene beads as a model for cells.
    • The plot in Fig.2 has a striking qualitative similarity to the observed NMR quadrupole splittings.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little