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

When asked about her pre-runway show rituals, Graham first showed off her fuzzy socks, then excitedly whipped out a can of lidocaine spray and showed it to camera. —Ariana Yaptangco, Glamour, 25 Nov. 2025

And they've been found in oral and neck cancer cells with one study finding that their activation using the common anesthetic, lidocaine, caused the cells to die off. —New Atlas, 8 Nov. 2025

The following drugs were there, but expired: atropine, dextrose, diphenhydramine, epinephrine, lidocaine, naloxone, and/or a beta blocker. —David J. Neal, Miami Herald, 5 Nov. 2025

Cervical numbing: Your provider will use lidocaine spray or gel at the cervix to numb the area. —Dory Zayas, SELF, 31 Oct. 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