decamethonium

noun

deca·​me·​tho·​ni·​um ˌde-kə-mə-ˈthō-nē-əm How to pronounce decamethonium (audio)
: a synthetic ion used in the form of either its bromide or iodide salts (C16H38Br2N2 or C16H38I2N2) as a skeletal muscle relaxant
also : either of these salts

Word History

Etymology

deca- + methylene + -onium

First Known Use

circa 1949, in the meaning defined above

Time Traveler
The first known use of decamethonium was circa 1949

Dictionary Entries Near decamethonium

decameter

decamethonium

decametric

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Cite this Entry

“Decamethonium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decamethonium. Accessed 25 Nov. 2024.

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Medical Definition

decamethonium

noun
deca·​me·​tho·​ni·​um ˌdek-ə-mə-ˈthō-nē-əm How to pronounce decamethonium (audio)
: a synthetic ion used especially in the form of its bromide C16H38Br2N2 or iodide C16H38I2N2 as a skeletal muscle relaxant
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