What is "grs"

GRS may refer to:

• GRS-TV, a TV channel in Texas, USA
• GR-S or Government Rubber-Styrene, a substance used during World War II to replace natural rubber
• Gamma ray spectrometer, an instrument for detecting elements
• Gamma Ray Spectrometer, a mission/instrument for 2001 Mars Odyssey spacecraft
• General Railway Signal, a railway signaling company
• Genital reassignment surgery or gender reassignment surgery or sex reassignment surgery
• The Gerry Ryan Show, a long-running Irish radio show
• Gifted Rating Scales, educational assessment test
• Global Resource Serialization, the locking facility provided by IBM for data sets and other entities
• Graves Registration Service, a service within the United States Army for recovering war dead
• Great Red Spot, a feature on Jupiter
• Great River School, a Montessori charter school in St. Paul Minnesota
• Guilford Rail System, now known as Pan Am Railways
• Galvanized Rigid Steel, a common type of electrical conduit