Rx

• AMD Radeon 400 series
• Andrew File System
• Apparent retrograde motion
• Elizabeth J. Braswell
• Kamen Rider Black RX
• Lexus RX
• Mazda RX
• RS-232
• RX microcontroller family
• Rallycross
• Reactive extensions
• Regent Airways
• Retinal homeobox protein Rx
• Roket Eksperimental
• Rx (Medicate)
• Rx (band)
• Rx (film)
• Rx bridge
• Rx meters
• Ryan Beaver
• Rye, East Sussex
• South Australian Railways R class
• Yamaha RX 100
• medical prescription
• rX (The Gifted)
• telecommunications