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blue flash

American  

noun

Meteorology.
  1. green flash.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Aristotle noticed that if he struck the surface of the sea with a rod, the water sometimes produced a bright blue flash.

From Scientific American • Jul. 23, 2022

But when astronomers spotted a supernova in the nearby Pinwheel galaxy within hours of its ignition in 2011, they saw no blue flash.

From Science Magazine • Jun. 4, 2020

One of our largest and most spectacular moths, with a 12cm wingspan and a bright blue flash on its underwings, it was once considered extinct in Britain.

From The Guardian • Jan. 2, 2020

“You would first notice a 10-second blue flash in the upper atmosphere,” said Melott, “but then the damage would be done.”

From Forbes • May 27, 2013

Looking out his living room window after Petra went home, Calder could see the blue flash of police cars and knew they must be stationed outside Mrs. Sharpe’s house.

From "Chasing Vermeer" by Blue Balliett