What does MRN stand for?

Americon, Auburn, ME - Manufacturer code for watercraft hull identification number (USCG)

Cheke Holo - Language code (ETLW)

Malignant Renal Neoplasm - Medicine (MELL)

Marion - South Africa - Geomagnetic observatory code

Maritime Radionavigation

Material Recorder Notice (AD)

Median Raphe Nucleus - Medicine

Medical Record News - Medicine - AMRA - Journal (EDAA)

Medical Staffing Network Holdings - NYSE symbol

Medium-Round Nose - Diamond drilling

Meteorological Rocket Network - NASA

Minimum Rejection Number

Missions Gouvernementales Francaises - France - ICAO designator (FAAC)

Modified Random Network - Crystallography

Moran Resources Corp. - Vancouver Stock Exchange symbol

Morganton, NC - Location identifier - FAA (FAAL)

Morning (ROG)

Morrison Knudsen - NYSE symbol

Morrison-Knudsen Co., Inc. - NYSE symbol (SPSG)

Motor Racing Network

Mouvement pour la Reconstruction Nationale - Haiti - Political party (EY)

Movimiento de Renovacion Nacional - Movement for National Renovation - Colombia - Political party (PPW)