Look up ie, -ie, or i.e. in Wiktionary, the free dictionary.

Ie, ie or IE may refer to:

• i.e. (sometimes miswritten as ie or ie.), abbreviation for Latin id est, meaning "that is" or "in other words"

  Computing

• .ie, Irish Internet top-level domain country code
• Industrial Ethernet, a hardened version of Ethernet used in industrial applications
• Infinity Engine, the game engine behind Baldur's Gate among others
• Information engineering, an approach to designing and developing information systems
• Internet Explorer, a web browser by Microsoft
• IntelliMouse Explorer, a line of computer mice designed by Microsoft

  Education

• Institut Eksekutif, an educational institution in Sarawak, Malaysia
• IE Business School, formerly known as Instituto de Empresa, a business school in Madrid, Spain

  Transport

• Iarnród Éireann, or Irish Rail
• Solomon Airlines, IATA airline designator

  Arts and entertainment

• Iced Earth, a power metal band from Florida, United States
• Improv Everywhere, a comedy group
• Into Eternity (band), a progressive death metal band from Canada

  Places

• Republic of Ireland (ISO 3166-1 alpha-2 code IE)
• Inland Empire (California), in the United States
• Ie, Okinawa, in Japan
• Ie, the West Frisian name of the Dutch village of Ee, Dongeradeel.

  Science and engineering

• Industrial ecology, the study of sustainable industrial systems
• Industrial engineering, the engineering discipline that concerns the development, improvement, implementation and evaluation of integrated systems of people, knowledge, equipment, energy, material and process
• Infective endocarditis, a form of endocarditis caused by infectious agents
• Information Element, a component of information systems
• Information engineering, an approach to designing and developing information systems
• Information extraction, a type of information retrieval whose goal is to automatically extract structured or semistructured information from unstructured machine-readable documents
• Institute for Energy of the European Union
• Ionization energy, the energy required to strip an atom or molecule of an electron; see Ionization potential

  Language and culture

• The ie (digraph)
• International English, the concept of the English language as a global means of communication
• Indo-European (disambiguation), as in:
  • Indo-European languages
  • Indo-European people
  • Indo-European studies
• Ie (Japanese family system), the classical Japanese family system
• Ie (trading houses), Japanese cottage industry
• -ie, an English diminutive suffix
• Interlingue, originally the Occidental language (ISO 639-1 code ie)
• A spelling guideline of the English language: "i before e except after c"

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