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airburst

[air-burst]
noun
  1. the explosion of a bomb or shell in midair.

Origin of airburst

First recorded in 1915–20; air1 + burst
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for airburst

airburst

noun
  1. the explosion of a bomb, shell, etc, in the air
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012