The term AIRBAG ACTIVATOR is composed of five crossword solutions: IMPACT (6 letters), IMPACTS (7 letters), STEP (4 letters), TREADLE (7 letters), and TRIPWIRE (8 letters). An airbag activator is a device that triggers the deployment of an airbag in the event of a collision. IMPACT, impacts, STEP, TREADLE, and tripwire are all components of an airbag activator that detect the force of a collision and activate the airbag. IMPACT and impacts refer to the force of the collision, while STEP, TREADLE, and tripwire refer to the mechanisms used to detect the force of the collision.