Mie scattering 

https://doi.org/10.1351/goldbook.M03919
The scattering of electromagnetic radiation by spherical particles of any size r, relative to the wavelength, λ. Since the cases r≪λ and r≫λ are covered by Rayleigh (dipole) scattering and geometric scattering theories, respectively, Mie scattering often refers to the case of r≈λ.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2202 [Terms] [Paper]
Citation: 'Mie scattering' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03919 RIS BibTex EndNote
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Last revised: February 24, 2014