Attenuation (disambiguation)

Attenuation is the gradual loss in intensity of any kind of flux through a medium, including:
 * Acoustic attenuation, the loss of sound energy in a viscous medium
 * Anelastic attenuation factor, a way to describe attenuation of seismic energy in the Earth

Attenuation (or verb attenuate) may also refer to:
 * Attenuation (botany)
 * Attenuation (brewing), the percent of sugar converted to alcohol and carbon dioxide by the yeast in brewing
 * Attenuation coefficient, a basic quantity used in calculations of the penetration of materials by quantum particles or other energy beams
 * Mass attenuation coefficient, a measurement of how strongly a chemical species or substance absorbs or scatters light at a given wavelength, per unit mass
 * Regression attenuation or Regression dilution, a cause of statistical bias
 * The process of producing an attenuated vaccine by reducing the virulence of a pathogen
 * Attenuation constant, the real part of the propagation constant
 * Attenuator (genetics), form of regulation in prokaryotic cells.