anacoustic

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English[edit]

Etymology[edit]

an- +‎ acoustic

Adjective[edit]

anacoustic ‎(comparative more anacoustic, superlative most anacoustic)

  1. anechoic, soundless
  2. (physics) Describing the upper reaches of the atmosphere, and of space, in which the concentration of molecules is too small to support the propagation of sound

Anagrams[edit]