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Definition of: impact
(im·pakt′) v.t.
To press or drive firmly together; pack; wedge.
—noun (im′pakt)
1. The act of striking; collision.
2. The forcible momentary contact of a moving body with another either moving or at rest: the impact of a bullet against a target.
3. A continuing, powerful influence: the impact of science on culture. See synonyms under COLLISION. [<L impactus, pp. of impingere. See IMPINGE]
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