Speakur

Word Pronunciation & Dictionary

blue flash

Word Rarity Uncommon

Frequency: Zipf frequency 4.37 in modern English

Syllables
blue flash
IPA
17
Scrabble Score
9
Letters
1
Syllables
8
Unique Chars

Meaning

noun

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.

noun

A phenomenon sometimes observed when a criticality accident occurs in nuclear materials, inducing a discharge of radiation into the environment.

Inflected Forms

blue flashes (plural)

Phrases

green flash

Frequently Paired Words

green flash

Questions

What does blue flash mean?
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.

How to pronounce blue flash

  1. Open the pronunciation page — Open the Speakur entry for “blue flash”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “blue flash”.
  4. Repeat and practice — Say “blue flash” aloud, matching stress and vowels until it feels natural.