Word.ws English Dictionary

blue flashes

blue flashes is the plural of blue flash.

Meaning of blue flash

Noun

blue flash (plural blue flashes)

  1. A very rare phenomenon observed in the morning or evening when the sun is crossing or immediately below the horizon, in which a momentary flash of blue light appears above the upper rim of the solar disk, caused by refraction of light in the atmosphere.
  2. (nuclear physics) A phenomenon sometimes observed when a criticality accident occurs in nuclear materials, inducing a discharge of radiation into the environment.

Questions about blue flashes

What is blue flashes the plural of?
Blue flashes is the plural of blue flash.

Words near blue flashes in the dictionary

  1. blue fit
  2. blue fits
  3. blue flag
  4. blue flags
  5. blue flash
  6. blue flashes
  7. blue flax
  8. blue flaxes
  9. blue flier
  10. blue fliers
  11. blue flies

Source and license

Adapted from Wiktionary: blue flashes (page history and authors); blue flash (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “blue flashes.” Word.ws, https://word.ws/blue_flashes. Based on Wiktionary, CC BY-SA 4.0.