1. 
   acousma
   Rarely used term for an auditory hallucination in which indefinite sounds, such as ringing or hissing, are heard. ... Synonym: acouasm. ... Origin: G. Akousma, something heard ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?acousma
   
   
2. 
   acousma
   acousma A simple auditory hallucination, such as ringing or buzzing sounds "in the ears"; also acouasm.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2370/
   
   
3. 
   acousma
   1) Auditory hallucination 2) Hallucination
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/acousma/1
   
   

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