ASR

1. Airport surveillance radar
2. Air-sea rescue
3. Automatic send and receive (or answer, send and receive)

• redolency
• redolent
• redolently
• redone
• redos
• redouble
• redoubled
• redoublement
• redoublements
• redoubles
• redoubling
• redoubt
• redoubtable
• redoubtably
• redoubted
• redoubting
• redoubts
• redound
• redounded
• redounding
• redoundings
• redounds
• red out
• redowa
• redowas