Home › Words › O › overdistensionoverdistensionoverdistension means excessive distension.EtymologyFrom over- + distension.nounExcessive distensione.g.“In theory, an ECF overload could be the origin of high levels of BP that increase arterial stiffness due to acute vascular passive overdistension (enlargement).” — 2015 June 17, Daniel Bia et al., “Hydration Status Is Associated with Aortic Stiffness, but Not with Peripheral Arterial Stiffness, in Chronically Hemodialysed Patients”, in International Journal of NDefinitions & examples from Wiktionary (CC BY-SA 3.0).