Acoustics
Acoustics
Acoustics (/əˈkuːstɪks/, from Ancient Greek: ἀκουστικός, akoustikos, "hearing") is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics technology may be called an acoustical engineer.
Etymology
The word "acoustic" is derived from the Greek word ἀκουστικός (akoustikos), meaning "of or for hearing, ready to hear". Akoustikos is derived from the verb ἀκούω (akouo, "I hear").
Related Terms
- Sound: A type of wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing.
- Ultrasound: Sound waves with frequencies higher than the upper audible limit of human hearing.
- Infrasound: Sound waves with frequencies below the lower limit of human audibility.
- Vibration: An oscillation of the parts of a fluid or an elastic solid whose equilibrium has been disturbed.
- Physics: The natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.
- Acoustician: A scientist who works in the field of acoustics.
- Acoustical Engineer: A professional who works in the field of acoustics technology.
External links
- Medical encyclopedia article on Acoustics
- Wikipedia's article - Acoustics
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