Definition of "heteronuclear" []

• On different rings of a polycyclic organic molecule (adjective)
• Having atoms or nuclei of different type (adjective)

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• "Helium hydride is the simplest heteronuclear molecule (besides HD), yet its spectrum had not been observed."
• "Still at Varian, I was further extending my earlier work on stochastic resonance with the introduction of heteronuclear broadband decoupling by noise irradiation, the "noise decoupling" that led to a rapid development in carbon-13 spectroscopy."
• "Prof. John S. Waugh extended it for applications to solid state resonance, and the research group of Prof. Ray Freeman, particularly Geoffrey Bodenhausen, contributed some of the first heteronuclear experiments."