89 PDD definitions

Presidential Decision Directive 
Presidential Decision Directives 
Pervasive Developmental Disorders 
Pervasive Developmental Disorder 
Pervasive Development Disorder 
physical device driver 
Post Dial Delay 
Prospective Decision Date 
Payload Definition Document 
Preliminary Design Document 
PROJECT DESIGN DOCUMENT 
projected decision date 
percentage depth dose 
pervasive developmental delay 
Portable Digital Document 
primary degenerative dementia 
Priority Delivery Date 
Product Definition Data 
Program Description Document 
Program Design Data 
Program Development Directorate 
Project Definition Document 
Doctor of Pedagogy 
package design document 
Package Designation and Description 
Package Designation and Description Fi… 
papillomatous digital dermatitis 
Parachute Deployment Device 
Parkinson disease dementia 
Parkinson's disease and dementia