psy·cho·a·cous·tics 
(sī′kō-ə-kstĭks)
(sī′kō-ə-kstĭks)n. (used with a sing. verb)
The scientific study of the perception of sound.
psy′cho·a·coustic, psy′cho·a·cousti·cal adj.
- recession
- recessional
- recessionary
- analytic
- analytical
- analytical balance
- analytically
- analytic function
- analytic geometry
- analytic philosophy
- analytic psychology
- analytics
- analyzable
- analyzation
- analyze
- analyzer
- anamnesis
- anamnestic
- anamnestically
- anamorphic
- anamorphism
- anamorphosis
- anandamide
- Ananke
- anapaest