What does IDF stand for?

Belleville Area College, Belleville, IL - OCLC symbol (OCLC)

Boats by Fenger LLC, Driggs, ID - Manufacturer code for watercraft hull identification number (USCG)

Iceland Defense Force (SAUO)

Identifier (IAA)

Identify (SAUS)

Idiopathic Diffuse Fibrosis - Medicine (MELL)

Image Description File

Immune Deficiency Foundation (EA)

Incident Dark-Field (SAUS)

Incremental-input Describing Function (SAUS)

Indicating Direction Finder (IAA)

Indigeneous Defence (or Defense) Fighter (SAUS)

Indigenous Defense Fighter - Military

Industrial Development Fund (SAUO)

Industrial Diesel Fuel

Inertial Damping Field - Forcefield especially designed to compensate for acceleration forces within a starship - Star Trek (STREK)

Infantile Digital Fibromatosis - Medicine (DB)

In-Flight Diverted Force (CINC)

Infrared Decoy Flare - Military

Ink Donor Film (EDCT)

Innovative Design Fund, Inc. (EA)

Input Data Flow (SAUS)

Inquiry and Development Facility (VLIE)

Instantaneous Direction Finding (MCD)

Instanteneous Direction Finder (SAUS)

Instructional Dialogue Facility (IAA)

Instrumentation Data File (SAUS)

Instrument Day-Fighter (SAUS)

Integrated Data File

Integrated Development Facility (ACAE)

Intel Developer Forum (SAUO)

Interactive Data Facility - Computer science (VLIE)

Interactive Dialogue Facility - Programming language (CSR)

Interceptor Day Fighter (NATG)

Interior Design Institute (SAUS)

Intermediate Distributing Frame - Telecommunications

Internal Data Format (ACAE)

Internal Delay Factor - Computer science

Internal Distribution Frame - Television (IAA)

International Dairy Federation - See also FIL - Brussels, Belgium (EAIO)

International Democratic Fellowship

International Dental Federation - British

International Development Foundation (EA)

International Diabetes Federation - See also FID (EAIO)

International Distress Frequency (MUGU)

International Domesticated Furs Ltd. - Vancouver Stock Exchange symbol

International Drilling Federation (EA)

International Drilling Fluids - Singapore

Intestinal Disease Foundation (NRGU)

Inverse Document Frequency (NITA)

Iron Dragon-Fly Ltd. - Russian Federation - ICAO designator (FAAC)

Isotropic Distribution Function

Israel Defence Force (SAUS)

Israeli Defense Forces

Item Data File (MCD)