safety-critical system
Mission critical – Factor critical to the operation of an organization
Reliability engineering – Sub-discipline of systems engineering that emphasizes dependability
Redundancy (engineering) – Duplication of critical components to increase reliability of a system
Factor of safety – System strength beyond intended load
Nuclear reactor – Device used to initiate and control a nuclear chain reaction
Biomedical engineering – Application of engineering principles and design concepts to medicine and biology
SAPHIRE – Systems Analysis Programs for Hands-on Integrated Reliability Evaluations (risk analysis software)
Formal methods – Mathematical program specification intended to allow correctness proofs, including algorithmically
Therac-25 – Radiotherapy machine involved in six accidents