Impact



GRE TOEFL 考研

解释

GRE 红宝书

• n. 冲击, 影响
• ［英］ 冲击 ( hitting of one object against another) 将某物压入或插入另一物 ( press, drive or wedge sth firmly into sth)
• ［记］ im ( 进入) +pact ( 紧的) -> 压进去的力量 -> 影响力

Webster Collegiate

I. verb

• Etymology: Latin impactus, past participle of impingere to push against — more at impinge
• Date: 1601
• transitive verb
  • 1.
    • a. to fix firmly by or as if by packing or wedging
    • b. to press together
  • 2.
    • a. to have a direct effect or impact on ; impinge on
    • b. to strike forcefully; also to cause to strike forcefully
• intransitive verb
  • 1. to have an impact — often used with on
  • 2. to impinge or make contact especially forcefully
• ? impactful adjective
• ? impactive adjective
• ? impactor also impacter noun

II. noun

• Date: 1781
• 1.
  • a. an impinging or striking especially of one body against another
  • b. a forceful contact or onset; also the impetus communicated in or as if in such a contact
• 2. the force of impression of one thing on another ; a significant or major effect <the impact of science on our society><an environmental impact study>
• Synonyms:
  • impact, collision, shock, concussion mean a forceful, even violent contact between two or more things. impact may be used to imply contact between two things, at least one of which is impelled toward the other <the glass shattered on impact with the floor>. collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded<the collision damaged the vehicle>. shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force<the shock of falling rocks>. concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow<bystanders felt the concussion of the blast>.

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