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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Related Words

See entrance ¹.

Other Word Forms

• readmittance noun

Etymology

Origin of admittance

First recorded in 1535–45; admit + -ance

Example Sentences

Such topicality is what drew Edgar Miramontes, leader of CAP UCLA, to the show, despite his admittance to being largely unfamiliar with the world of video games.

From Los Angeles Times • Feb. 10, 2026

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

NATO: Prime Minister Viktor Orban of Hungary pledged to push legislators to vote for Sweden’s admittance into NATO.

From New York Times • Jan. 24, 2024

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