ID
ID is widely recognized as the country code for Indonesia and as an abbreviation for Independence Day, while in governmental and political contexts it can stand for an initiating directive or the Spanish party Izquierda Democrática, and in technical fields it may denote intersection dimension.
Medical
Ill Defined
Ineffective Dose
Infectious Disease
During the Day
ImmunoDeficiency
Intestinal Diet
Inhibitor of Differentiation
Insertion Device
Intra-Dermal
Miscellaneous
Community
Governmental
Increased Deployability (Posture)
Identification
Infantry Division
Idle Format
Interior Department
Immediate Dominance
Identification Document
Independence Day
Interesting Device
Induced Draught
Infanterie-Division (Infantry Division)
Identification Data
Interface Document
Initiating Directive
Izquierda Democrática
Intersection Dimension
Identification Division
International
Academic & Science
Interactive Design
Integrate and Differentiate
Instructional Design
Iterative Dichotomizer
Individual Development
Instructor Development
Inside Diameter
Individual Design
Interaction Design
Regional
Computing
Disk IDentification file
IDentifier
Information Design
Intelligent Device
Intrusion Detection
Internal Directory
Intelligent Display
I Dare
IDentity