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 city’s medical examiner ruled both men had ingested a fatal mix of fentanyl, lidocaine and cocaine. —David Matthews, New York Daily News, 21 May 2025

Ether gave way to cocaine, Novocain, lidocaine, articaine, and laughing gas for the lucky few. —Burkhard Bilger, New Yorker, 28 July 2025

Both men had a concoction of drugs in their systems, including fentanyl, lidocaine and cocaine, according to the city medical examiner’s office. —Matt Lavietes, NBC news, 21 May 2025

She was allegedly administered lidocaine injections, which are commonly used as a local anesthetic to numb specific areas, per the Mayo Clinic. —Charna Flam, People.com, 3 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