(n.) The state of healthy tension or partial contraction of muscle fibers while at rest; tone; tonus.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tonicity. Retrieved September 21, 2026, from http://smartdefine.org/tonicity/definitions/2073202 |
| Chicago | Webster's. 2011. "tonicity" http://smartdefine.org/tonicity/definitions/2073202 (accessed September 21, 2026). |
| Harvard | Webster's 2011, tonicity, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/tonicity/definitions/2073202>. |
| MLA | Webster's. "tonicity" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/tonicity/definitions/2073202> |