Archives of Directives

Glossary

Defined terms and acronyms used across the directives — filter by letter, type or office.

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OPI
Engineering Support (A/E)DefinitionPM - Office of Project Management Oversight and Assessments
Engineering, Design, and InspectionAcronym
Engineering, Design, and Inspection (ED&I)DefinitionPM - Office of Project Management Oversight and Assessments
Enhanced Cost Estimating RelationshipAcronym
Enhanced Nuclear Detonation Safety (ENDS)DefinitionNA - National Nuclear Security Administration
Enhanced Work PlanningDefinitionAU - Office of Environment, Health, Safety and Security
Enriched UraniumAcronym
Enriched UraniumDefinitionNA - National Nuclear Security Administration
Enterprise ArchitectureAcronym
Enterprise Architecture (EA)DefinitionIM - Office of the Chief Information Officer
Enterprise Architecture Working Group (EAWG)DefinitionIM - Office of the Chief Information Officer
Enterprise Cybersecurity Program PlanAcronym
Enterprise Human Resources IntegrationAcronym
Enterprise Human Resources Integration (EHRI)DefinitionHC - Office of the Chief Human Capital Officer
Enterprise Secure NetworkAcronym
Enterprise-wide Essential Supporting Activities (ESAs)DefinitionNA - National Nuclear Security Administration
Enterprise-wide IT ProjectsDefinitionIM - Office of the Chief Information Officer
EntityDefinitionAU - Office of Environment, Health, Safety and Security
Entity Eligibility Determination (EED)DefinitionAU - Office of Environment, Health, Safety and Security
Entry Control PointDefinitionAU - Office of Environment, Health, Safety and Security
EnvironmentDefinitionNA - National Nuclear Security Administration
Environment, Health, Safety and SecurityAcronym
Environment, Safety and HealthAcronym
Environment, Safety, and HealthAcronym
Environmental AssessmentAcronym