airburst

[ air-burst ]
/ ˈɛərˌbɜrst /

noun

the explosion of a bomb or shell in midair.

Origin of airburst

First recorded in 1915–20; air1 + burst

British Dictionary definitions for airburst

airburst
/ (ˈɛəˌbɜːst) /

noun

the explosion of a bomb, shell, etc, in the air