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commissurotomy

American  
[kom-uh-shuh-rot-uh-mee] / ˌkɒm ə ʃəˈrɒt ə mi /

noun

Surgery.

plural

commissurotomies

  1. the incision of a band of commissures, especially of mitral fibers, to correct mitral stenosis.

Etymology

Origin of commissurotomy

commissure + -o- + -tomy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.