sort by Rank | Alpha
| Possible Meanings | Rank |
| Institute of Reflexology | ***** |
| International Investment Research | **** |
| Infrared Imaging Radiometer | **** |
| Institute of Refrigeration | **** |
| Institute of Innovation Research | **** |
| Interrupt Identification Register | **** |
| International Institute of Research | *** |
| Istituto Italiano del Rame | *** |
| International Institute of Refrigeration | *** |
| International and Intergovernmental Relations | *** |
| Integrated Information Retrieval | *** |
| Institute on Recycling | *** |
| Isobutylene and Isoprene | *** |
| Imaging Infra Red | *** |
| Institute for Infocom Research | *** |
| Industrial Info Resources | *** |
| Institute of Reflexologists | *** |
| Isobutene Isoprene Rubber | *** |
| Institut for International Research | *** |
| Imaging Infrared Radiometer | *** |
| investigator initiated research | *** |
| Institute of Radiography | *** |
| Irish Institute of Radiography | *** |
| Individual Insolvency Register | *** |
| International Investigative Response | *** |
| Image intensification radiology | ** |
| Immunoglobulin Inhibiting Reagent | ** |
| immunologic insulin resistance | ** |
| Immunologically insulin resistant | ** |
| immunologically insulin-resistant | ** |
| imperfect inverted repeats | ** |
| incremental insulin response | ** |
| incremental integrated response | ** |
| India-ink Immuno-reaction | ** |
| indirect immunofluorescence reaction | ** |
| initial infection rates | ** |
| inspiration inhibiting reflex | ** |
| insulin infusion rates | ** |
| intestinal ischemia reperfusion | ** |
| intestinal ischemic reperfusion | ** |
| ion interaction reagent | ** |
| ion-interaction reagent | ** |
| ion-interaction-reagents | ** |
| Is an Independent Research | ** |
| internal iliac artery revascularization | ** |
| intestinal ischemia and reperfusion | ** |
| Intestinal ischemia-reperfusion injury | ** |
| sustaining intestinal reperfusion | ** |
| Insurance Institute for Research | ** |
| Institute of Intergovernmental Relations | ** |
| Institute for Information | ** |
| Institute for Innovation Research | ** |
| Innite Impulse Response | ** |
| Issues Identification Report | ** |
| Interactive Image Regeneration | ** |
| Imagery Interpretability Rating | ** |
| Institut for Inflammationsforskning | ** |
| Institutional and Investor Relations | ** |
| Incremental Image Rendering | ** |
| Institute for International Resarch | ** |
| Index of Industrial | ** |
| International Insolvency Review | ** |
| initial impressions report | ** |
| International Institut of Refrigeration | ** |
| Infinite Impulsive Response | ** |
| Institute for Injury Reduction | ** |
| Illegal Immigration Reform | ** |
| Institute for Internation Research | ** |
| Institute of Intergovernmental Research | ** |
| Injury and Illness Rate | * |
| Institute for Interdisciplinary Research | * |
| Intelligence Information Reports | * |
| Inspectorate for Ionizing Radiation | * |
| Int Inst of Refrigeration | * |
| Independent Implementation Review | * |
| IFRU InterFerence Rejection | * |
| indirect internal reforming | * |
| Invision in Russia | * |
| Instrument Interface Review | * |
| Immediate Injunctive Relief | * |
| injury incident rates | * |
| Intelligent Information Resource | * |
| Italian Internet Resources | * |
| Illinois Internet Resources | * |
| Impotence Its Reversible | * |
| Index Internet Resources | * |
| Index of Internet Resources | * |
| Index of Ireland Resources | * |
| Indiana Infantry Regiments | * |
| Interlude Internet Retreat | * |
| Internet International Realty | * |
| Intersectoral Issues Report | * |
| Inverary Inn Resort | * |
| Investor Investment Related | * |