Also found in: Dictionary.
damage radius[′dam·ij ‚rād·ē·əs]
The distance at which, in terms of experience or theoretical calculations, certain types of damage can be expected from a specified type of explosive item.
In atomic explosion, the distance from ground zero at which there is a 50% probability that a target element susceptible to the weapon effect considered will be damaged.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.