Your abbreviation search returned 145 meanings
Sort results: alphabetical | rank ?
| Rank Abbr. | Meaning | |
|---|---|---|
| IR | Infrared | |
| IR | Iran | |
| IR | Imposto de Renda (Brazil) | |
| IR | Investor Relation | |
| IR | Injured Reserve (football) | |
| IR | Intermediate Representation | |
| Ir | Irish (linguistics) | |
| IR | Immune Response | |
| IR | Islamic Republic of Iran (ISO country code, top level domain) | |
| IR | International Relations | |
| IR | Information Required | |
| IR | Interest Rate (economics) | |
| IR | Institutional Research | |
| IR | Ingersoll-Rand (pneumatic products company) | |
| IR | Islamic Republic | |
| IR | Engineer (University, Dutch) | |
| IR | Inland Revenue (UK) | |
| IR | Islamic Relief (UK) | |
| IR | Insulation Resistance | |
| IR | Image Runner | |
| IR | Information Retrieval | |
| IR | Industrial Relations | |
| IR | Institutional Repository (digital intellectual output) | |
| IR | Insulin Resistance | |
| IR | Instrument Rating (Aviation) | |
| IR | Indian Reservation | |
| IR | Infrared Radiation | |
| IR | Immediate Release (pharmaceutics) | |
| IR | Impôt sur le Revenu (French income tax) | |
| IR | Impulse Response (radio propagation) | |
| IR | Indian Railway | |
| IR | Iridium | |
| IR | Information Resources | |
| IR | Interface Repository | |
| IR | Instruction Register | |
| IR | Independent Research | |
| IR | Insulin Receptor (molecular biology) | |
| IR | Information Request | |
| IR | Incident Response (security) | |
| IR | Incidence Rate | |
| IR | Initial Response (military logistics) | |
| Ir | Ingenieur (Dutch: Master of Science) | |
| IR | Inspection Report | |
| IR | Incident Report (Canadian Air Force) | |
| IR | Information Requirements | |
| IR | Information Report(s) | |
| IR | Ionizing Radiation | |
| IR | Interventional Radiology (medicine) | |
| IR | Internal Resources | |
| IR | Inter-Research | |
| IR | Industrial Robot | |
| IR | Im Ruhestand (German: Retired) | |
| IR | Insuficiencia Renal (Spanish: Renal Failure) | |
| IR | Information Revolution | |
| IR | Imaging Radar | |
| IR | Information Ratio | |
| IR | Ischaemia-Reperfusion | |
| IR | Instant Replay | |
| IR | International Roaming (GSM technology) | |
| IR | Internal Review | |
| IR | Iran Air (IATA airline code) | |
| I/R | Ischemia/Reperfusion (trauma) | |
| IR | Information Repository (US EPA Superfund site information) | |
| IR | Information Rate (US DoD) | |
| IR | Issue Resolution (various organizations) | |
| IR | Internal Resistance | |
| IR | Intelligence Report | |
| IR | Internet Registry | |
| IR | Initialization and Refresh (compressor state) | |
| IR | Ingestion Rate | |
| IR | Index Register | |
| IR | Infrared Radiometer | |
| I/R | Internment/Resettlement (US DoD) | |
| IR | Information Record | |
| IR | Interrupt Request | |
| IR | Independent Radio | |
| IR | Investigation Report | |
| IR | Iron Rod | |
| IR | Inherited Runner (baseball; runner on base when a pitcher enters) | |
| IR | Integrated Resort (Singapore) | |
| IR | Internal Rotation | |
| IR | Interventional Radiologist (medicine) | |
| IR | Impairment Rating (medical assessment) | |
| IR | Intermediate Reach | |
| IR | Inner Radius (construction industry) | |
| IR | InterRegio (train) | |
| IR | Incident Record | |
| IR | Intelligent Routing (computing) | |
| IR | Inhalation Rate | |
| IR | Installation Restoration | |
| IR | Ileal Resection | |
| IR | Ice on Runway | |
| IR | Intelligence Requirement (US DoD) | |
| IR | Internet Router | |
| IR | Isoprene Rubber (polyisoprene rubber) | |
| IR | Iterative Reconstruction | |
| IR | Isoprene Rubber | |
| IR | Image Rejection (radio electronics) | |
| IR | Interracial Relationship | |
| IR | Interference Rejection (communications systems) | |
| IR | Incremental Reactivity | |
| IR | Ivan Reitman (film director) | |
| IR | Installation Report | |
| IR | Instrument Reading | |
| IR | Invoice Receipt (accounting) | |
| IR | Integrated Resources | |
| IR | Israel Railways | |
| IR | Inspection Record | |
| IR | Institut de Rééducation (French: Rehabilitation Institute; various locations) | |
| IR | International Rendezvous (dating service) | |
| IR | Interstate Route | |
| IR | Inspection Request (construction) | |
| I/R | Insurance Records (insurance) | |
| IR | Investigation Request | |
| IR | Industrial Roundtable | |
| IR | InterReklama (Russian advertising network) | |
| IR | Invitation Request | |
| IR | Intensification Ratio | |
| IR | Indigenous Revolution | |
| IR | Inward Radial | |
| IR | Interval Rate | |
| IR | Investment Request | |
| IR | Internal Revision | |
| IR | Integrated Rating (marine) | |
| IR | Internment/Resettlement | |
| IR | Instrument Route | |
| IR | Interoperability Requirement | |
| IR | Ingress Router | |
| IR | Intelligence Request | |
| IR | Intermediate Resonance | |
| IR | IFR Military Training Route | |
| IR | Interposing Relay | |
| IR | Investable Resources | |
| IR | Intelligent Roaming | |
| IR | Intermittent Reperfusion | |
| IR | Intermediate Rear | |
| IR | Induction Regulator | |
| IR | Interruption Reporting | |
| IR | IglooReport (Pittsburgh Penguins website) | |
| IR | Imperator et Rex (Emperor and King) | |
| IR | Internet Protocol Detail Record Recorder | |
| IR | Incoherent Recombining | |
| IR | Incorrect Reconfiguration | |
| IR | Inhibiting Relay | |
| IR | Insurance Record(s) (insurance) | |
Note: We have 68 other definitions for I/R in our Acronym Attic