Acoustic

Acoustic may mean:

An acoustic guitar

In science:

• Acoustics, a branch of physics that studies sound
  • Musical acoustics, the branch of acoustics that studies the physics of music
• Acoustic meatus, another name for the ear canal

In music:

• Acoustic music, music that solely or primarily uses instruments that do not need electric amplification to make a sound
• An instrument used in acoustic music (see link above), such as:
  • Acoustic guitar, as opposed to electric guitar
  • Acoustic bass guitar, as opposed to electric bass guitar
• An album:
  • Acoustic (Deine Lakaien album), 1995
  • Acoustic (John Lennon album), 2004
• A record label:
  • Acoustic Americana
  • Acoustic Disc
• Piano acoustics
• Acoustic fingerprint

Warfare

• 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