Search Dictionary
Definition of admittance

admittance

/ədˈmɪt.əns/
ad · mit · tance

Plural:admittances
JUMP TO:

admittance Lexical Profile

admittance Game Scores & Validity

• noun

1

The act or process of entering a physical place, or the right or permission to enter.

Example

"The security guard refused them admittance to the laboratory because they lacked proper credentials."


2

A measure of how easily an electric circuit or device will allow an alternating current to flow, defined as the reciprocal of electrical impedance.

Example

"The electrical engineer calculated the total admittance of the parallel circuit in siemens."

Synonyms
View all synonyms for admittance
Antonyms
View all antonyms for admittance

Word Nuance & Usage

While 'admittance' and 'admission' both refer to the right to enter a place, 'admittance' is strictly limited to physical entry (as in 'No Admittance' signs) and is not used for confessions or acceptance into an institution.

• Rhymes for admittance

Word Origin & Etymology

Formed in the late 15th century from the verb 'admit' (from Latin 'admittere', meaning 'to let in') combined with the noun suffix '-ance'. The electrical engineering sense was coined by English physicist Oliver Heaviside in 1887 as the reciprocal of impedance.

Cite this Entry


Wordmom. (2026). Definition of Admittance. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/admittance
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.