synchresis
Etymology
Said to be a blend of synchronism + synthesis. Apparently first attested in 1994.
noun
- A type of synergy in a mind's interpretation of combined audio and visual stimuli that either is an audiovisual type of synesthesia or is comparable and contrastable with such type of synesthesia.“Synchresis (a word I have forged by combining synchronism and synthesis) is the spontaneous and irresistible weld produced between a particular auditory phenomenon and visual phenomenon when they occur at the same time. This join results independently of any rational logic. Synchresis is responsible for our conviction that the sounds heard over the shots of the hands in the prologue of Persona are”