flak was quickly adopted by the allies because in the time it took to say flugzeugabwehrkanone over the radio, you'd probably already be dead
"used in world war ii, 'flak' is a german abbreviation for flugzeugabwehrkanone, or  "aircraft defense cannon"
"flak was quickly adopted by the allies because in the time it took to say flugzeugabwehrkanone over the radio, you'd probably already be dead" What is the definition of "flak"?