noun
shock resistance; impact resistance
Technical term used in engineering, product specifications, and materials science to describe the ability to withstand physical shocks or impacts.
このケースは耐衝撃性に優れている。
This case has excellent shock resistance.
耐衝撃試験の結果は良好だった。
The results of the impact resistance test were good.
耐水 means water resistance, whereas 耐衝撃 is about withstanding mechanical impacts.
Compound of 耐 (たい, 'resistant') and 衝撃 (しょうげき, 'shock, impact').