admittance

(ad mit'ns, əd-)

noun

  1. an admitting or being admitted
  2. permission or right to enter
  3. Elec. the ratio of effective current to effective voltage in a circuit carrying an alternating current; the reciprocal of impedance, measured in siemens and consisting of conductance and susceptance: symbol, Y

See admittance in American Heritage Dictionary 4

noun
  1. The act of admitting or entering.
  2. a. Permission to enter.
    b. Right of entry. See Usage Note at admission.
  3. Symbol Y Electricity The reciprocal of impedance.

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