(1)rebounding from an impact (or series of impacts)
(2)衝撃（衝撃の連続）から立ち直ること
(3)the quality of a substance that is able to rebound
(4)跳ね返ることのできる物質の特性
(5)a light, self-propelled movement upwards or forwards
(6)軽い自発的な上昇または前進の動き