IN
IN is used as a postal abbreviation for Indiana, as the country code for India, and as the chemical symbol for indium; it also appears in technical contexts for inches and other miscellaneous uses.
Medical
Miscellaneous
Governmental
Infantry
Information Systems Directorate
Inlet
Air Force Component Intelligence Officer
Impulse Noise
Instructor
Instrument Specialties
Academic & Science
Regional
Computing
Intelligent Network
Input
Input Byte or Word
Influence Net
a Batch command intended to precede a [set] argument