: lack of physiological tone especially of a contractile organ

Examples of atony in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The most common reason for postpartum hemorrhage is uterine atony, according to the American Academy of Family Physicians (AAFP). — Patia Braithwaite, SELF, 30 July 2019

Word History

Etymology

Late Latin atonia, from Greek, from atonos without tone, from a- + tonos tone

First Known Use

1693, in the meaning defined above

Time Traveler
The first known use of atony was in 1693

Cite this Entry

“Atony.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atony. Accessed 2 Oct. 2026.

Medical Definition

plural atonies or atonias
: lack of physiological tone especially of a contractile organ
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