c. 1600, "press closely into something," from Latin impactus, past participle of impingere "to push into, dash against, thrust at" (see impinge). Originally sense preserved in impacted teeth (1876). Sense of "strike forcefully against something" first recorded 1916. Figurative sense of "have a forceful effect on" is from 1935. Related: Impacting.
impact (n.)
1781, "collision," from impact (v.). Figurative sense of "forceful impression" is from 1817 (Coleridge).
例文
1. All colour fades-especially under the impact of direct sunlight.
すべての色が色あせます。特に直射日光の下では。
2.The impact of religion on on voting has been analysed far too simplistically.
宗教が選挙に与える影響に関する分析は簡単すぎる。
3.The specific impact of the greenhouse effect is unknowable.
温室効果の具体的な影響はわかりません。
4.The snowcoach concept in Yellowstone provides low- impact ,low-pollution access.