explosive train

explosive train

[ik′splō·siv ′trān]

(ordnance)

A train of combustible and explosive elements arranged in order of decreasing sensitivity, inside a fuse, projectile, bomb, gun chamber, or the like; the function is to accomplish the controlled augmentation of a small impulse into one of suitable energy to cause the main charge of the munition to function.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.