lidocaine

noun

li·​do·​caine ˈlī-də-ˌkān 

: a crystalline compound C₁₄H₂₂N₂O that is used in the form of its hydrochloride as a local anesthetic and as an antiarrhythmic agent

Examples of lidocaine in a Sentence

Recent Examples on the Web

The mom of two boys, aged 3 and 1, was taken off a ventilator and two weeks later, died, the result of lidocaine toxicity, the outlet reports. —Cara Lynn Shultz, People.com, 18 Apr. 2025

Prosecutors say Peñaloza Cabrera suffered lidocaine toxicity, a condition that occurs when excessive amounts of the anesthetic enter the bloodstream, which can lead to seizures, irregular heart rhythms and in severe cases respiratory failure or cardiac arrest. —Colin Mixson, New York Daily News, 16 Apr. 2025

This includes drugs like lidocaine, which is used to numb pain. —Mary Kekatos, ABC News, 9 Apr. 2025

An example is lidocaine, used to numb pain during medical procedures. —Rebecca Robbins, New York Times, 4 Apr. 2025

Word History

Etymology

acetanilid + -o- + -caine

First Known Use

circa 1949, in the meaning defined above

Rhymes for lidocaine

• aeroplane
• appertain
• ascertain
• capitaine
• cassegrain
• cellophane
• chatelaine
• counterpane
• entertain
• gethsemane
• halothane
• hurricane

Medical Definition

lidocaine

noun

li·​do·​caine ˈlīd-ə-ˌkān 

: a crystalline compound C₁₄H₂₂N₂O used as a local anesthetic often in the form of its hydrochloride C₁₄H₂₂N₂O·HCl

called also lignocaine

see xylocaine