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Meanings and definitions for IR
What does IR stand for? What does IR mean?
- Imaginary Realities, a MUD community online magazine
- Integrated resort, a euphemism for a casino in Singapore
- I.R. Baboon, a fictional character in the cartoon series I Am Weasel
- Illinois Railway, US
- Indian Railways, the state-owned railway company of India
- Iran Air (IATA airline code)
- IR Ishikawa Railway, the local railway company in Ishikawa, Japan
- Iarnród Éireann (Irish Rail), the national passenger and freight railway system of the Republic of Ireland
- Israel Railways, the state-owned railway company of Israel
- Ingersoll Rand (NYSE trading symbol IR)
- International Rectifier, a former manufacturer of power semiconductors
- Independent-Republican Party of Minnesota, former name of the Republican Party of Minnesota
- Incidence rate (market research)
- Interest rate, or (when referring to an asset class) interest rate derivative
- Information ratio, when referring to risk-adjusted returns of a financial security
- Investor relations, a management responsibility in which companies disclose information for regulatory compliance and for bond/share-holders to make investment judgments
- Immediate-release, related to time release technology in pharmaceuticals
- Incidence Rate, in epidemiology
- Insulin receptor, a transmembrane receptor that is activated by insulin
- Insulin resistance, a pathological condition
- Interventional radiology and interventional radiologist, an independent medical specialty
- Inverted repeat, a sequence of nucleotides that is the reversed complement of another sequence further downstream
- .ir, the Internet country code top-level domain for Iran
- Adobe ImageReady, a bitmap graphics editor shipped with Adobe Photoshop by Adobe Systems
- Image retention, the LCD and plasma display equivalent of screen burn
- Information retrieval, the science of searching for information in or as documents or databases
- Information revolution, one of the theoretical frameworks within which trends in current society can be conceptualized
- Institutional repository, a digital collection for preserving the intellectual output of an institution
- Institutional research, the collection, analysis, and reporting of institutional data
- Instruction register, part of a CPU's control unit
- Intermediate representation, a computer data structure
- Internal router
- Ir (newspaper), Latvian weekly newspaper
- Infrared, a portion of the electromagnetic radiation spectrum
- Impulse response, an output function of a dynamic system presented with a brief input signal
- Insulation resistance, a measure of how well the insulation material is performing in an electric appliance
- Ionizing radiation
- Iridium (chemical symbol Ir), the 77th element
- Ir language
- Ir (cuneiform), a sign in cuneiform writing
- Ingenieur, abbreviated as ir., an engineer's degree awarded by technical universities in the Netherlands, Belgium, Indonesia, and Malaysia.
- Injured reserve list, a reserve list for professional teams to use if a player is injured and unable to play for an extended time
- International rules football a hybrid code of football
- Iran (ISO country code IR)
- International relations, in political science, the study of foreign affairs of and relations among states
- International Relations (journal), an academic journal
- ℝ, the symbol of the set of real numbers in mathematics
- Inland Revenue Department (Hong Kong)
- Inland Revenue Department (Nepal)
- Inland Revenue Department (New Zealand)
- Inland Revenue Department (Sri Lanka), housed in Clan House, Galle
- International Rescue Committee, an international humanitarian and development organisation
- International Rescue Corps, a UK-based rescue organisation
- A fictional rescue organization seen in Thunderbirds (TV series)
- The original name of UK indie band The June Brides
- A hit 1989 song by Fuzzbox
- I.R.S. Records
- "I.R.S.", a song by Guns N' Roses featured on their album Chinese Democracy
- Irwin R. Schyster, often abbreviated I.R.S., a ring name of professional wrestler Mike Rotunda
- IR$, a Franco-Belgian comics series telling the adventures of Larry Max, an IRS special agent
- Indian Revenue Service, of the Republic of India
- Interest rate swap
- Independence Republic of Sardinia, an independentist political party in Sardinia, Italy
- Institute of Regional Studies
- Leibniz Institute for Research on Society and Space, a research institute in Germany and part of the Leibniz Association
- Indoor residual spraying, the spraying of insecticide to kill the mosquitoes that spread malaria
- Insulin receptor substrate, a protein family involved in the insulin signaling pathway (insulin response)
- Intergroup Rhabdomyosarcoma Study Group, about the cancer, rhabdomyosarcoma
- Immune reconstitution syndrome, or Immune reconstitution inflammatory syndrome
- Independent rear suspension, a form of independent suspension, used in automobiles
- Industrial Railway Society, a UK railway society
- International Railway Standard, standards produced by the International Union of Railways
- Inertial reference system, more commonly known as an inertial navigation system
- International Railway Systems, a Romanian freight railroad car producer
- IRS Airlines, an airline of Nigeria
- International Rules Series, an international football competition between Australia and Ireland
- Indian Remote Sensing satellite
- Indian Readership Survey
- Information Retrieval System, in computer science
- Integrated reception system, for TV and radio signals
- Imperium Romanum Sacrum, the Latin name for the Holy Roman Empire
- Institutionalized Riot Systems
- Incident Report
- Index Register
- Information Resource
- Insoluble Residue
- Integrated Research, Pty Ltd
- Internet Registry
- Internetwork Router
- Iran (Islamic Republic Of), (364) ISO 2-letter country code
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