blue flash

English - English

Definition of blue flash in English English dictionary

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

A very rare phenomenon observed in 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

Hyphenation

Blue flash

Turkish pronunciation

blu fläş

Pronunciation

/ˈblo͞o ˈflasʜ/ /ˈbluː ˈflæʃ/