suc·​ci·​nyl·​cho·​line | \ ˌsək-sə-nᵊl-ˈkō-ˌlēn How to pronounce succinylcholine (audio) , -ˌnil- \

Definition of succinylcholine

: a basic compound that is used intravenously chiefly in the form of a hydrated chloride C14H30Cl2N2O4·2H2O as a muscle relaxant in surgery

Examples of succinylcholine in a Sentence

Recent Examples on the Web In the syringe was an overdose of succinylcholine, a muscle relaxer. Elizabeth Zavala,, "Moms keep up fight despite loss of ally," 9 Sep. 2019 Chelsea's body is exhumed; tests show presence of a muscle relaxant, succinylcholine. San Antonio Express-News, "Timeline: Genene Jones' path from murder to parole," 18 Apr. 2018 McClellan-Wiese would learn later that the nurse had injected her daughter with a drug called succinylcholine, which causes muscle relaxation and short term paralysis. Ralph Ellis, Randi Kaye And Dakin Andone, CNN, "Texas nurse indicted in second child's death," 26 May 2017 A PETA investigation into the unlawful use of a paralytic drug at two roadside zoos revealed that animals were administered the drug, succinylcholine, without pain meds. Image Courtesy Usda, National Geographic, "We Asked the Government Why Animal Welfare Records Disappeared. They Sent 1,700 Blacked-Out Pages.," 1 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'succinylcholine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of succinylcholine

1950, in the meaning defined above

Keep scrolling for more

Learn More about succinylcholine

Time Traveler for succinylcholine

Time Traveler

The first known use of succinylcholine was in 1950

See more words from the same year

Statistics for succinylcholine

Cite this Entry

“Succinylcholine.” Dictionary, Merriam-Webster, Accessed 27 Nov. 2020.

Keep scrolling for more

More Definitions for succinylcholine


suc·​ci·​nyl·​cho·​line | \ ˌsək-sən-ᵊl-ˈkō-ˌlēn, -sə-ˌnil- How to pronounce succinylcholine (audio) \

Medical Definition of succinylcholine

: a basic compound that acts similarly to curare and is used intravenously chiefly in the form of its chloride salt C14H30Cl2N2O4 as a short-acting relaxant of skeletal muscle in surgery

called also suxamethonium

— see anectine

More from Merriam-Webster on succinylcholine Encyclopedia article about succinylcholine

Comments on succinylcholine

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


Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!