Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lidocaine

play
noun li·do·caine \ˈlī-də-ˌkān\

Definition of lidocaine

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



Origin of lidocaine

acetanilid + -o- + -caine


First Known Use: circa 1949


Medical Dictionary

lidocaine

play
noun li·do·caine \ˈlīd-ə-ˌkān\

Medical Definition of lidocaine

  1. :  a crystalline compound C14H22N2O used as a local anesthetic often in the form of its hydrochloride C14H22N2O·HCl—called also lignocaine; see xylocaine




Learn More about lidocaine


Seen and Heard

What made you want to look up lidocaine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift kittly-benders duvet pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ