OPV
Encyclopedia
OPV can mean:
- Offshore patrol vessel
- Observation post vehicle
- Optionally Piloted VehicleOptionally Piloted VehicleAn Optionally Piloted Vehicle is a hybrid between a conventional aircraft and an Unmanned Aerial Vehicle .Able to fly with or without a human crew on board the aircraft, OPVs are a low-cost alternative to UAVs in research, experimentation, and concept exploration, but may also become used in...
- Oral polio vaccinePolio vaccineTwo polio vaccines are used throughout the world to combat poliomyelitis . The first was developed by Jonas Salk and first tested in 1952. Announced to the world by Salk on April 12, 1955, it consists of an injected dose of inactivated poliovirus. An oral vaccine was developed by Albert Sabin...
, usually the Sabin preparation. - Original Promotional Videos (or sometimes Other People's Videos), unofficial music videos usually produced by anonymous fans, using the official audio version of a song but substituting alternative video footage.
- Organic Photovoltaic
- Other People's Views