nymphaea odorata ait.
- national designated pilot examiner registry
- national design engineering conference
- national design & technology education foundation
- national destination code
- national detention standards
- national development bank of palau
- national development corporation
- national development corporations
- national development council, inc.
- national development foundation of belize
- national development foundation of dominica
- national development plan
- national development program in computer assisted learning
- national development strategy
- national deviancy conference
- national deviancy symposium
- national diabetes advisory board
- national diabetes data group
- national diabetes education outcomes system
- national diabetes education program
- national diabetes information clearinghouse
- national diabetes technology network
- national dialogue quartet
- national dietary survey of adults
- national differential global positioning system