WordNet: flash

a sudden intense burst of radiant energy

• hypernym happening, natural event, occurrence, occurrent

• hyponym flicker, glint, spark

• hyponym gleam, gleaming, glimmer

• hyponym coruscation, glitter, sparkle

• hyponym heat flash

• hyponym lightning

• hyponym streak

flash

• (englanti) flash (derivationally related)
• (suomi) leimahdus (synonyymi)