Jisho

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Noun
1. bomb blast; blast (from an explosion); shock wave
Wikipedia definition
2. Blast waveA blast wave in fluid dynamics is the pressure and flow resulting from the deposition of a large amount of energy in a small very localised volume. The flow field can be approximated as a lead shock wave, followed by a 'self-similar' subsonic flow field. In simpler terms, a blast wave is an area of pressure expanding supersonically outward from an explosive core. It has a leading shock front of compressed gases.
Read “Blast wave” on English Wikipedia
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