IPD
[1] Iterated Prisoner's Dilemma (s. Gefangenendilemma)[2] Image Plane Detector
[3] Individual Package Delivery
[4] Information Processing Division
[5] Insertion Phase Delay
[6] Instructional Program Development
[7] Integrated Pin Diode
[8] Integrated Powerhead Demonstration
[9] Integrated Product Development
[10] Isotope-Powered Device
[11] Imaging Photon Detector \{Astronomie\}
[12] Interplanetary Dust \{Astronomie\}