secondary high explosive

secondary high explosive

[′sek·ən‚der·ē ′hī ik′splō·siv]

(materials)

A high explosive which is relatively insensitive to heat and shock and is usually initiated by a primary high explosive; used for boosters and bursting charges.

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