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  1. Acoustics | Definition, Physics, & Facts | Britannica

  2. Acoustics - Wikipedia

  3. What is Acoustics - Brigham Young University

  4. Explainer: What is Acoustics? - Science News Explores

  5. Physical acoustics and its principal branches | Britannica

  6. Acoustics - Definition, Acoustic Energy, Types of Acoustics ...

  7. Explore Sound | A publication of the Acoustical Society of America

  8. Waves and Acoustics - Physics LibreTexts

  9. Acoustical engineering - Wikipedia

  10. ACOUSTICS | definition in the Cambridge English Dictionary