# lidocaine

> English word · Noun · IPA /ˈlɪd.ə(ʊ).keɪn/ · frequency rank #50,643

## Definitions
1. A crystalline compound C₁₄H₂₂N₂O that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent.

## Etymology
From (acetani)lid(e) + -o- + -caine, from cocaine.

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