LOS
LOS is used to describe line‑of‑sight considerations in telecommunications, the law of the sea in international law, the line of scrimmage in American football, and level of service metrics in transportation planning, and is also an abbreviation for Lagos, Nigeria.
Medical
Length Of Stay
Loss Of Sight
Late Onset Schizophrenia
Late Onset Sepsis
Longitudinal Observational Study
Low Output Syndrome
Lower Oesophageal Sphincter
Miscellaneous
Community
Governmental
Line Of Sight
Level Of Service
Loss Of Synchronization
Length Of Service
Lift-Off Simulator
Length of Service (usually military/naval)