attenuation

attenuation is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.The act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases.
  2. 2.The process of weakening in intensity; diminution of virulence; as, the attenuation of virus.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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