lethal radius


Also found in: Acronyms.

lethal radius

[′lē·thəl ′rād·ē·əs]
(ordnance)
The distance from point of burst or ground zero at which a projectile, missile, or the like will probably destroy a target or kill persons.
References in periodicals archive ?
At best, the lethal radius of any explosive grenade warhead is about five metres.
This includes air bursts above the target that can increase the lethal radius to as much as ten metres.
The missile successfully identified, tracked and guided toward the simulated air defence radar target, passing within lethal radius of the warhead and impacting within the specified missile impact zone.