Acoustic mismatcha discrepancy in transmitting sound |
Amplitudethe maximum extent of a vibration |
Attenuationreduction of the amplitude of a signal, electric current, or other oscillation |
Enhancementan increase or improvement in quality, value, or extent |
Frequencythe rate per second of a vibration constituting a wave |
ProbeProbe is the handheld part of the ultrasound machine, the one containing crystals |
Reflectionthe throwing back by a body or surface of light, heat, or sound without absorbing it |
Refractionchange in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front |
Resolutionthe smallest interval measurable by a scientific instrument; the resolving power |
Reverberationprolongation of a sound; resonance |
Sounda mechanical, longitudinal wave that travels in a straight line |
UltrasoundUltrasound is a sound with frequency greater than 20,000 cycles per second or 20kHz |