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See also: atténuation


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From Middle English attenuacioun, a borrowing from Latin attenuātiō (a diminishing). Equivalent to attenuate +‎ -ion.



attenuation (countable and uncountable, plural attenuations)

  1. A gradual diminishing of strength.
  2. (physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
  3. (biology) A weakening in the virulence of a pathogen or other microorganism.
  4. (botany) The tapering of a leaf etc to a fine point.
  5. (engineering) A fabrication process in which a material is stretched out into a thin shape.
  6. (homeopathy) The reduction of the active principles of medicines to minute doses.
  7. (brewing) The proportion of sugar that is converted to ethanol by a yeast.[1]

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  1. ^ “Archived copy”, in (please provide the title of the work)[1], accessed 26 April 2020, archived from the original on 2020-04-26