noun
parachute opening; deployment of a parachute
Technical term for the moment a parachute opens or the act of opening a parachute. Used in skydiving, paratrooping, and related contexts.
開傘の衝撃で体が揺れた。
My body shook from the shock of the parachute opening.
安全な高度で開傘することが重要だ。
It is important to deploy the parachute at a safe altitude.