Definitions
1.Nounacoustics;
The art of constructing vaults to produce echoes.
A hypothetical science of echos.
2.NounThe art of constructing vaults to produce echoes.
3.NounA hypothetical science of echos.
4.NounThe scientific measurement of sounds or echoes.
The use of reflected sound waves to measure the shape or movement of objects.
The use of ultrasound echos to make biometric measurements (as opposed to making images, which is called medical ultrasound).
5.NounThe use of reflected sound waves to measure the shape or movement of objects.
6.NounThe use of ultrasound echos to make biometric measurements (as opposed to making images, which is called medical ultrasound).