IED

IED may refer to:

Devices

• Improvised explosive device, an explosive device often used in unconventional warfare
• Instantaneous electrical detonator, used to trigger an explosive device
• Intelligent electronic device, in the electric power industry
• Implantable electronic device, pacemaker

Dictionaries

• Indo-European Etymological Dictionary
• Indogermanisches etymologisches Wörterbuch (Indo-European Etymological Dictionary), by Julius Pokorny
• Interlingua–English Dictionary, the first major presentation of Interlingua to the public

Healthcare

• Inter-ictal epileptiform discharge, a characteristic of epileptic seizures
• Intermittent explosive disorder, a mental health disorder
• Intestinal epithelial dysplasia, another name for congenital tufting enteropathy

Organizations

• Information Engineering Directorate, Information Technology Directorate of the UK Department of Trade and Industry
• Institute for Educational Development, at Aga Khan University
• Institute of Economic Development
• Institution of Engineering Designers, in the UK
• Istituto Europeo di Design, European Institute of Design
• NASU Institute of Electrodynamics, a research institute in Kyiv

Other uses

• Industrial Emissions Directive, a European Union directive
• Infliction of Emotional Distress, a tort cause of action, falling under intentional torts

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