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TeachMeFinance.com - explain Defense-in-depth Defense-in-depth The term 'Defense-in-depth' as it applies to the area of nuclear science can be defined as ' An approach to designing and operating nuclear facilities that prevents and mitigates accidents that release radiation or hazardous materials. The key is creating multiple independent and redundant layers of defense to compensate for potential human and mechanical failures so that no single layer, no matter how robust, is exclusively relied upon. Defense-in-depth includes the use of access controls, physical barriers, redundant and diverse key safety functions, and emergency response measures. For further information, see Speech No. S-04-009, 'The Very Best-Laid Plans (the NRC's Defense-in Depth Philosophy).' '. Previous 5 Terms: Deep-Dose Equivalent (DDE) Deepening Deepest total depth defects Defense Meteorological Satellite Program (DMSP) Next 5 Terms: Deferred cost Deferred fuel costs Deferred income tax (liability) Deferred pricing Deficiency (Nursing Home) About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.