Rayleigh scattering spectroscopy resonance Rayleigh scattering spectroscopy RRLS CHMO:0000174 RRS A method for determining structure by measuring the change in direction or energy of Rayleigh scattered visible light, where the wavelength of the incident light corresponds to an absorption band in the scattering molecules. RRS detection resonance Rayleigh light scattering resonance Rayleigh scattering resonance Rayleigh scattering spectrometry RRSD