atrio·​ven·​tric·​u·​lar ˌā-trē-ō-ven-ˈtri-kyə-lər How to pronounce atrioventricular (audio)
: of, relating to, or located between an atrium and ventricle of the heart

Examples of atrioventricular in a Sentence

Recent Examples on the Web For one, a major electrical relay in the heart, the atrioventricular junction, can only fire about every 0.2 seconds, capping heart rate at about 300 beats per minute. Matt Hrodey, Discover Magazine, 5 Apr. 2023 But Decker was born with congenital heart defects — specifically, an atrioventricular septal defect and pulmonary stenosis. David Begnaud, CBS News, 1 Sep. 2022 Selah had a hole in her heart (complete atrioventricular canal defect) that was diagnosed before she was born. Sarah Schreiber, Good Housekeeping, 27 Oct. 2016 Sadie was born with complete atrioventricular canal defect —a large hole in the center of the heart —on Nov. 11, 2014, and underwent a pair of surgeries to repair the defect, Lee’or tells PEOPLE. Char Adams,, 10 Apr. 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'atrioventricular.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin atrium + English ventricular

First Known Use

1854, in the meaning defined above

Time Traveler
The first known use of atrioventricular was in 1854

Dictionary Entries Near atrioventricular

Cite this Entry

“Atrioventricular.” Dictionary, Merriam-Webster, Accessed 3 Oct. 2023.

Medical Definition


atrio·​ven·​tric·​u·​lar ˌā-trē-(ˌ)ō-ˌven-ˈtrik-yə-lər How to pronounce atrioventricular (audio)
: of, relating to, or situated between an atrium and ventricle
: of, involving, or being the atrioventricular node
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