IMPEDANCE

impedance

Noun

  1. A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, inductive and capacitive reactance. Represented by the symbol Z.
  2. a measure of opposition to motion of something subjected to a force.
  3. the sound pressure divided by the particle velocity and the surface area through which an acoustic wave propagates.
  4. a measure of the opposition caused by differences between two paradigms, especially between object-oriented development and relational databases


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