Acoustic may refer to:

In science:

• Acoustics, a branch of physics that studies sound
  • Musical acoustics, the branch of acoustics that studies the physics of music
  • Acoustic metamaterials, engineered materials with atypical properties
• External acoustic meatus, another name for the ear canal
• Acoustic recording, a pre-microphone method of recording used, for instance, on the Graphophone

In music:

• Acoustic music, music that solely or primarily uses acoustic instruments
  • Acoustic guitar, as opposed to electric guitar
  • Acoustic bass guitar, as opposed to electric bass guitar
• Acoustic Disc, a record label
• Piano acoustics
• Acoustic fingerprint
• Acoustic (Everything but the Girl album), 1992
• Acoustic (Deine Lakaien album), 1995
• Acoustic (Brandi Carlile album), 2004
• Acoustic (John Lennon album), 2004
• Acoustic (Love Amongst Ruin album), 2011
• Ac stico (Weberty Moreira album), 2010

• Acoustic EP (disambiguation), various albums

Warfare

• Acoustic location, a pre-radar and pre-sonar method of detecting hostile vehicles and vessels
• Acoustic torpedo
• Acoustic signature

Other:

• Acoustic Control Corporation, a company which produced instrument amplifiers using Acoustic as a brand name
• Acoustic thermometry, observation of the oceans' climates using long-range acoustic instruments
• Acoustic cryptanalysis, in cryptography, a side channel attack which exploits sounds
• Acoustic (magazine)
• Acoustic (film)

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