| Abbreviation | Definition |
|---|---|
| LNS | Laboratory for Nuclear Science |
| LNSC | Laboratory for Natural and Simulated Cognition |
| LNTX | Long-chain Neurotoxin |
| LOBI | Laboratory of Brain Imaging |
| LOBP | Laboratory of Biochemical Pharmacology |
| LOCI | Laboratory for Optical and Computational Instrumentation |
| LOCN | Laboratory On A Chip Network |
| LOCS | Laboratory Outreach Communication System |
| LOD | limit of detection |
| LOEL | lowest observed effect level |
| LOER | Laboratory for Oceanographic and Environmental Research |
| LOHA | Laboratory of Housing Alternatives |
| LOIC | Laboratory of International Communications |
| LOINC | Logical Observation Identifier Name Codes (Regenstrief Institute) |
| LOIS | Laboratory Online Information System |
| LOLS | Laboratory of Optics Lasers and Systems |
| LOMC | Laboratory of Optical Materials and Coating |
| LONG | Laboratories Over Next Generation |
| LOQ | limit of quantification |
| LORRE | Laboratory Of Renewable Resources Engineering |