ORRS

AcronymDefinition
ORRSOngoing and Reviewable Resourcing Schemes (Ministry of Education; New Zealand)
ORRSOrganic Resource Recovery System (food waste recycling program; Organic Resouce Management, Inc.; Woodbridge, Ontario, Canada)
ORRSOuter Ring Road System (Singapore)
ORRSOrange River Replanning Study (South Africa)
ORRSOuter Radial Reflector Surveillance
ORRSOuter Retinal Rod Segments (opthamology)