- MRL
- Materials Research Laboratory (Academic & Science » Universities)Minimal Risk Level (Business » General)**** Maximum Residue Level (Academic & Science » Chemistry)* Morrisson-Reeves Library (Community » Educational)* Minimum Risk Level (Medical » Physiology)* Media Resource Library (Community » Educational)* Manual Retention Latch (Computing » Drivers)* Materiel Requirements List (Governmental » Military)* Montana RailLink Incorporated (Regional » Railroads)* Master Requirements List (Governmental » Military)* Multiplerocket Launcher (Governmental » Military)* Machineroom Less Elevator (Business » Products)* Marine Drilling Company, Inc. (Business » NYSE Symbols)* Miners Lake, Queensland, Australia (Regional » Airport Codes)
Abbreviations dictionary. 2012.