admittance

American  

[ad-mit-ns] / ædˈmɪt ns /

noun

1. permission or right to enter.

   admittance into the exhibit room.

   Synonyms:

   access

2. an act of admitting.

3. actual entrance.

4. Electricity. the measure of the ability of a circuit to conduct an alternating current, consisting of two components, conductance and susceptance; the reciprocal of impedance, expressed in mhos. Y

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admittance British  

/ ədˈmɪtəns /

noun

1. the right or authority to enter

2. the act of giving entrance

3.  y.  electrical engineering the reciprocal of impedance, usually measured in siemens. It can be expressed as a complex quantity, the real part of which is the conductance and the imaginary part the susceptance

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admittance Scientific  

/ ăd-mĭt′ns /

1. A measure of the ability of a circuit or component to allow current flow when exposed to AC voltages (its AC conductance). It is equal to the reciprocal of the impedance of the circuit, just as conductivity is equal to the reciprocal of resistance, and is similarly measured in mhos.

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Synonym Usage

See entrance ¹.

Other Word Forms

Derived Forms

• readmittance
  noun

Etymology

Origin of admittance

First recorded in 1535–45; admit + -ance

Example Sentences

The arrangement helps keep admit rates low—regular decision admittance was a record-low 2.8%—while effectively boosting yield.

From The Wall Street Journal • May 1, 2026

A February 1980 article from the Daily Record, originally sourced by Frank, recounts Whitten’s recent admittance to the Mormon priesthood.

From Los Angeles Times • Nov. 13, 2025

Even with admittance into the inner circle as a spectator, documentary filmmakers can’t always peer close enough into their subject’s life.

From Salon • Aug. 26, 2025

Starting in 1952 at the urging of Ben Hogan, the exclusive meal is an invite-only affair with admittance strictly limited to past champions.

From BBC • Apr. 14, 2025

By this point, even the most thickheaded and grudging students were being forced to admit that my quick admittance to the Arcanum was something other than a fluke.

From "The Name of the Wind" by Patrick Rothfuss