Answer: flash

AnswerCrossword Clue
FLASHTrice
FLASHPut metal on a roof junction
FLASHType of cards
FLASHSplit second
FLASHGordon of comics
FLASHBolt as of lightning
FLASHSpaceman Gordon
FLASHGordon of space
FLASHIt may be in the pan?
FLASHPut on a display, so to speak
FLASHCause of red-eye
FLASHNews ...
FLASHPizzazz
FLASH"Jumpin' Jack ..."
FLASHJumpin' Jack's last name
FLASHPossible cause of red eyes
FLASHPizazz
FLASHIndoor camera attachment
FLASHWord with card or flood
flashbrief, intense effort that produces no really significant result
flashto show briefly
flashperson who makes such an effort; one who enjoys short-lived success
flashto cause to flash
flashto emit a sudden burst of light / showy (making a brilliant display)
flashto have a sudden thought, insight, or inspiration about
flashto move rapidly
flashprecedence code for handling messages about initial enemy contact or operational combat messages of extreme urgency within the U.S. military
flashto appear suddenly
FLASHPhotographer's concern
flashbrief news dispatch
flashinstant
flashto break into sudden light
flashsudden burst of light
flashsudden, brief outburst
flashto display ostentatiously
flashto feel an instantaneous understanding and appreciation of
flashto have a sudden, vivid memory or mental picture of
FLASHCamera light
FLASHLightning feature
FLASHSudden and brief