# IR > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/IR > Markdown URL: https://mediated.wiki/source/IR.md > Source: https://en.wikipedia.org/wiki/IR > Source revision: 1256583939 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) **IR** or **Ir** may refer to: ## Arts and media - [Ir (newspaper)](/source/Ir_(newspaper)), Latvian weekly newspaper - *[Imperator: Rome](/source/Imperator:_Rome)*, a 2019 video game published by Paradox Interactive - [Integrated resort](/source/Integrated_resort), a euphemism for a casino in Singapore - [*International Relations* (journal)](/source/International_Relations_(journal)), an academic journal - I.R. Baboon, a fictional character in the cartoon series *[I Am Weasel](/source/I_Am_Weasel)* ## Businesses and organizations ### Transportation - [Iarnród Éireann](/source/Iarnr%C3%B3d_%C3%89ireann) (Irish Rail), national passenger and freight railway system of the Republic of Ireland - [Illinois Railway](/source/Illinois_Railway), US - [Indian Railways](/source/Indian_Railways), state-owned railway company of India - [InterRegio](/source/InterRegio), part of Swiss Federal Railways - [IR Ishikawa Railway](/source/IR_Ishikawa_Railway), local railway company in Ishikawa, Japan - [Iran Air](/source/Iran_Air) (IATA airline code IR) - [Israel Railways](/source/Israel_Railways), state-owned railway company of Israel ### Other businesses and organizations - [Ingersoll Rand](/source/Ingersoll_Rand) (NYSE trading symbol IR) - [International Rectifier](/source/International_Rectifier), a former manufacturer of power semiconductors - [Independent-Republican Party of Minnesota](/source/Independent-Republican_Party_of_Minnesota), former name of the Republican Party of Minnesota ## Finance - [Incidence rate (market research)](/source/Incidence_rate_(market_research)) - [Interest rate](/source/Interest_rate), or (when referring to an asset class) interest rate derivative - [Information ratio](/source/Information_ratio), when referring to risk-adjusted returns of a financial security - [Investor relations](/source/Investor_relations), a management responsibility in which companies disclose information for regulatory compliance and for bond/share-holders to make investment judgments ## Language - [Ir (cuneiform)](/source/Ir_(cuneiform)), a sign in cuneiform writing - Ir language, also known as [Ta'Oi language](/source/Ta'Oi_language), spoken in parts of Laos and Vietnam - [Istro-Romanian language](/source/Istro-Romanian_language) ## Places - [Indian Reserve](/source/Indian_Reserve), a section of land in Canada that is controlled by an Indigenous band government - [Iran](/source/Iran), by ISO country code ## Science and technology ### Biology and medicine - Immediate-release, related to [time release technology](/source/Time_release_technology) in pharmaceuticals - [Incidence Rate](/source/Incidence_Rate), in epidemiology - [Insulin receptor](/source/Insulin_receptor), a transmembrane receptor that is activated by insulin - [Insulin resistance](/source/Insulin_resistance), a pathological condition - [Interventional radiology](/source/Interventional_radiology) and interventional radiologist, an independent medical specialty - [Inverted repeat](/source/Inverted_repeat), a sequence of nucleotides that is the reversed complement of another sequence further downstream ### Computing - [.ir](/source/.ir), the Internet country code top-level domain for Iran - [Adobe ImageReady](/source/Adobe_ImageReady), a bitmap graphics editor shipped with Adobe Photoshop by Adobe Systems - [Image retention](/source/Image_retention), the LCD and plasma display equivalent of screen burn - [Information retrieval](/source/Information_retrieval), the science of searching for information in or as documents or databases - [Information revolution](/source/Information_revolution), one of the theoretical frameworks within which trends in current society can be conceptualized - [Institutional repository](/source/Institutional_repository), a digital collection for preserving the intellectual output of an institution - [Institutional research](/source/Institutional_research), the collection, analysis, and reporting of institutional data - [Instruction register](/source/Instruction_register), part of a CPU's control unit - [Intermediate representation](/source/Intermediate_representation), a computer data structure - [Internal router](/source/Internal_router) ### Other uses in science and technology - [Imaginary numbers](/source/Imaginary_number), in mathematics, denoted \text{i}\mathbb{R} or i**R** - [Infrared](/source/Infrared), a portion of the electromagnetic radiation spectrum - [Impulse response](/source/Impulse_response), an output function of a dynamic system presented with a brief input signal - [Insulation resistance](/source/Portable_appliance_testing#Insulation_resistance_test), a measure of insulation material performance - [Ionizing radiation](/source/Ionizing_radiation) - [Iridium](/source/Iridium), symbol Ir, a chemical element ## Other uses - [Imperial–royal](/source/Imperial%E2%80%93royal), abbreviation applied to institutions of the Austrian Empire - [Industrial relations](/source/Industrial_relations), relations between management and workers in industry - [Ingenieur](/source/Ingenieur), abbreviated *ir.*, an engineer's degree awarded by technical universities in the Netherlands, Belgium, Indonesia, and Malaysia - [Injured reserve list](/source/Injured_reserve_list), a list of professional sports players who are injured and unable to play for an extended time - [International relations](/source/International_relations), in political science, the study of foreign affairs of and relations among states - [International rules football](/source/International_rules_football) a hybrid code of football ## See also - [\mathbb{R}](/source/Real_number), the symbol of the set of real numbers in mathematics - [Inland Revenue Department (disambiguation)](/source/Inland_Revenue_Department_(disambiguation)), a government revenue service in several countries - [International Rescue (disambiguation)](/source/International_Rescue_(disambiguation)) - [IRS (disambiguation)](/source/IRS_(disambiguation)) --- Adapted from the Wikipedia article [IR](https://en.wikipedia.org/wiki/IR) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/IR?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.