1. Double; formed by reduplication; reduplicate

Encyclopedia: Reduplicative

• flare-up
• flaring
• flash
• flash butt welding
• flash camera
• flash in the pan
• flash lamp
• flash memory
• flash welding
• flash-forward
• flash-freeze
• flash-frozen
• flashback
• flashboard
• flashboarding
• flashbulb
• flashcard
• flasher
• flashflood
• flashgun
• flashily
• flashiness
• flashing
• flashlight
• flashlight battery