What does 'Orl stand for?

'Orlah (BJA)

Journal for Oto-Rhino-Laryngology and its related specialties (SAUS)

Observed Range Limit

Olivetti Research Laboratory Ltd. - British (IRUK)

On Air Ltd. - Canada - ICAO designator (FAAC)

Optical Return Loss (CAL)

Optimum Repair Level Analysis

Orbital Research Laboratory - NASA

Orbiting Research Laboratory (SAUS)

Ordnance Research Laboratory - Later, Applied Research Laboratory - Pennsylvania State University (MCD)

Orion Resources Ltd. - Vancouver Stock Exchange symbol

Orlando - Florida - Airport symbol (OAG)

Orlando Public Library, Orlando, FL - OCLC symbol (OCLC)

Otorhinolaryngologist (SAUS)

Otorhinolaryngology - Medicine

Outlook on Research Libraries (SAUS)

Overrun Lights (SAUS)

Owner's Risk of Leakage - Shipping

Red Lake Public Library, Ontario - Library symbol - National Library of Canada (NLC)