Definition of Acoustic impedance

1. Noun. Opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component.

Exact synonyms: Acoustic Reactance, Acoustic Resistance
Generic synonyms: Resistance

Medical Definition of Acoustic impedance

1. The resistance that a material offers to the passage of a sound wave (colloquial); a property of a medium computed as the product of density and sound propagation speed (characteristic acoustic impedance). Discontinuities in acoustic impedance are responsible for the echoes on which ultrasound imaging is based. Unit: the rayl. (05 Mar 2000)

Lexicographical Neighbors of Acoustic Impedance

acoustic buoy
acoustic cell
acoustic coupler
acoustic couplers
acoustic crest
acoustic delay line
acoustic device
acoustic emission
acoustic emissions
acoustic energy
acoustic enhancement
acoustic gramophone
acoustic guitar
acoustic guitarist
acoustic guitars
acoustic impedance (current term)
acoustic impedance tests
acoustic jamming
acoustic lemniscus
acoustic lens
acoustic maculae
acoustic meatus
acoustic modem
acoustic nerve
acoustic nerve diseases
acoustic neurilemoma
acoustic neuroma
acoustic neuromas
acoustic papilla
acoustic phenomenon

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