from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A rare phenomenon observed in morning or evening when the sun is crossing or immediately below the horizon, in which a momentary flash or ray of green light appears above the upper rim of the solar disk, caused by refraction of light in the atmosphere.


Sorry, no etymologies found.


  • She kept scanning the skyline above the slope ahead, looking for the intermittent green flash of a moving aircar or the sweep of its search-beam along the ground.

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