noun
- The muscle tissue of the heart; adapted to continued rhythmic contraction.
- synonyms: cardiac muscle
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). heart muscle. Retrieved September 21, 2026, from http://smartdefine.org/heart_muscle/definitions/1284412 |
| Chicago | WordNet. 2010. "heart muscle" http://smartdefine.org/heart_muscle/definitions/1284412 (accessed September 21, 2026). |
| Harvard | WordNet 2010, heart muscle, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/heart_muscle/definitions/1284412>. |
| MLA | WordNet. "heart muscle" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/heart_muscle/definitions/1284412> |