A grenade is a small explosive weapon designed to be thrown by hand, fired from a rifle attachment, or launched from a dedicated launcher. Byzantine forces used crude incendiary grenades as early as the eighth century, and Song dynasty China packed gunpowder into fused containers to make similar thunder-crash bombs, but the weapon under its modern name is first recorded at the 1536 siege of Arles. Todays hand grenade holds an explosive charge behind a spring-loaded striker and a safety pin, using the pin-and-lever ignition system introduced by the 1915 Mills bomb, and comes in fragmentation, high-explosive, incendiary, anti-tank, chemical and practice forms depending on how it is meant to disperse its effect.
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Grenade (Wikipedia)
In Field: Mechanical Engineering, IntroductionQuote, In Field: Mechanical Engineering, Introduction
A modern hand grenade generally consists of an explosive charge ("filler"), a detonator mechanism, an internal striker to trigger the detonator, and an arming safety secured by a transport safety.
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