IR
Look up ir or IR in Wiktionary, the free dictionary. |
Ir, ir or IR may refer to:
IR may refer to:
Arts and entertainment
- 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
Businesses and organizations
Transportation
- 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
Other businesses and organizations
- 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
Finance
- Incidence Rate, in 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
Science and technology
Biology and medicine
- Immediate-release, related to time release technology in pharmaceuticals
- 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
Computing
- .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
Other uses in science and technology
- Infrared, a portion of the electromagnetic radiation spectrum
- Impulse response, an output function of a dynamic system presented with a brief input signal
- Ionizing radiation
- Iridium (chemical symbol Ir), the 77th element
Other uses
- Ingenieur, an engineer's degree in the Netherlands and Belgium
- 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 (country code IR)
- International relations, in political science, the study of foreign affairs of and relations among states
- International Relations (journal), an academic journal
See also
- ℝ, the symbol of the set of real numbers in mathematics
- Inland Revenue Department (disambiguation), a government revenue service in several countries
- International Rescue (disambiguation)
- IRS (disambiguation)
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