Vulnerability is the degree to which a system, subsystem, or system component is likely to experience harm due to exposure to hazard, either a perturbation or stress/stressor. (Turner et al., 2003)
Katharina Thywissen, Components of Risk: A Comparative Glossary (No. 2/2006), United Nations University Institute of Environment and Human Security (UNU-EHS), ISBN: 3-9810582-0-8 (printed version), ISBN: 3-9810582-1-6 (electronic version), Bonn, Germany 2006. http://www.ehs.unu.edu/file/get/8335, (Dzstr, Rsk, Vul, Haz, etc. - Amer) {796}