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

Those include products like IV saline bags, cancer chemotherapy drugs and lidocaine, which is used to numb pain. —Annika Kim Constantino, CNBC, 11 Apr. 2025

Over-the-counter pain medications and lidocaine cream can also be used for pain relief. —Petra Guglielmetti, Glamour, 24 Mar. 2025

While Hoyos-Foronda was allegedly fleeing, Peñaloza Cabrera was suffering lidocaine toxicity, a condition that occurs when excessive amounts of the anesthetic enter the bloodstream, causing seizures, irregular heart rhythm, respiratory failure or cardiac arrest. —John Annese, New York Daily News, 28 Apr. 2025

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

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