recoilless

English

Recoilless rifle schematic, showing how the blast from behind is designed to coounter the thrust of the projectile

SPG-9 Russian Recoilless Rifle, showing the backblast behind, that counters the recoil as the projectile accelerates forward

Etymology

recoil +‎ -less

Adjective

recoilless (comparative more recoilless, superlative most recoilless)

1. Lacking recoil. Generally referring to a weapon so designed as to fire a projectile without causing a powerful, destructive backward "kick" or recoil in reaction. The objective of the design is to permit a very light cannon to deliver a relatively large projectile.