tetracaine

noun

tet·​ra·​caine ˈte-trə-ˌkān How to pronounce tetracaine (audio)
: a crystalline basic ester C15H24N2O2 that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic

Word History

Etymology

tetra- + -caine

First Known Use

circa 1935, in the meaning defined above

Time Traveler
The first known use of tetracaine was circa 1935

Cite this Entry

“Tetracaine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tetracaine. Accessed 28 Feb. 2025.

Medical Definition

tetracaine

noun
tet·​ra·​caine ˈte-trə-ˌkān How to pronounce tetracaine (audio)
: a crystalline basic ester that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride C15H24N2O2·HCl as a local anesthetic

called also amethocaine, pantocaine

see pontocaine
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