# reactance

> English word · Noun · frequency rank #84,658

## Definitions
1. The opposition to the change in flow of current in an alternating current circuit, due to inductance and capacitance; the imaginary part of the impedance. Symbol: X.
2. A similar effect in magnetism.
3. An emotional reaction in direct contradiction to rules or regulations that threaten or eliminate specific behavioral freedoms.

## Etymology
From react + -ance.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/reactance