What does orn stand for?

ornamental (SAUS)

Ornithine - Same as DAV - An amino acid

Ornithyl (SAUS)

Model d'Ordonnance - NCIC firearms make code (NCIC)

Oak Ridge National Laboratory, Oak Ridge, TN - OCLC symbol (OCLC)

Oh Really Now - Chat lingo

Olfactory Receptor Neuron - Biochemistry

Operating Room Nurse - Medicine

Oran - Algeria - Airport symbol (OAG)

Orange (AAG)

Orang Kanaq - Language code (ETLW)

Organization of Revolutionaries of the North - Lebanon (PD)

Orient Airways - Pakistan - ICAO designator (FAAC)

Orion Power Hldgs. - NYSE symbol

Ornament (MSA)

Ornamentation (SAUS)

OrNda Healthcorp - NYSE symbol

Ornithine (DB)

Ornithology

Oronite Reference Number - Fuels and lubricants

Orthopedic Nurse

Osteoradionecrosis - Medicine (MELL)

Output Reconfiguration Network (SAUS)