interface identifier
Imperial Irrigation District
International Institutional Delivery
Ion Impact Desorption
improvised incendiary device
Impurities Induced Disordering
Independent and Identically Distributed
Independent Identically Distributed
Independently Identically Distributed
Initial Instruction Decode
Inspection and Investigations Division
instance identifier
Institut International de Documentation
Institute for Infectious Diseases
Insulin dependent diabetes
insulin-independent diabetes
Integrated Information Display
Integrated Interoperability Demonstration
intensity difference
intensity differences
Interaural Intensity Difference
Intermittent-Integrated Doppler
intestinal disease
Ion-Induced Desorption
Internal Investigations Department