| Acronym | Definition |
|---|
| LRIR➣Limb Radiance Inversion Radiometer (atmospheric chemistry) |
| LRIR➣Long Range Imaging Radar |
| LRIR➣Laboratory Research Initiation Request (Air Force Office of Scientific Research) |
| LRIR➣Laboratory Research Independent Research (US Air Force) |
| LRIR➣Luise-Reggiannini Estimator with Iterative Filtering |
| LRIR➣Leptin Receptor-Immunoreactive (protein) |