IMPACT • DICTIONARY ONE.COM • Definition of Impact

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/ɪmpˈækt/ /ˈɪmpækt/ Listen

noun

Impact n.

Contact or impression by touch; collision; forcible contact; force communicated. "The quarrel, by that impact driven."

(Mech.) The single instantaneous stroke of a body in motion against another either in motion or at rest.

verb

Impact v. t. (past & past part. impacted; pres. part. impacting)

To drive close; to press firmly together: to wedge into a place.

To affect or influence, especially in a significant or undesirable manner; as, budget cuts impacted the entire research program; the fish populations were adversely impacted by pollution.

To collide forcefully with; to strike.

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Etymology of 'Impact'

Collaborative International Dictionary of English 0.48

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"Impact" Quotes from Famous Books

... announced by the steamship company to apply to the Titan: She would steam at full speed in fog, storm, and sunshine, and on the Northern Lane Route, winter and summer, for the following good and substantial reasons: First, that if another craft should strike her, the force of the impact would be distributed over a larger area if the Titan had full headway, and the brunt of the damage would be borne by the other. Second, that if the Titan was the aggressor she would certainly destroy ...

— The Wreck of the Titan - or, Futility • Morgan Robertson

... as the two men met—and the other reeled back before the impact. Onto him Jimmie Dale sprang, and his hands flew for the other's throat. It was an officer in uniform! Jimmie Dale had felt the brass buttons as they locked. In the darkness there was a queer smile on Jimmie Dale's tight lips. It was no doubt THE officer whom he ...

— The Adventures of Jimmie Dale • Frank L. Packard

... was springing at him, and the weight of his impact drove the man back for a yard or two; but he recovered himself, got a grip, and then a desperate struggle commenced at the edge of the rugged shelf of rock just where the kopje went down for some fifty feet almost perpendicularly, while a pile of heaped-up fragments which had ...

— The Kopje Garrison - A Story of the Boer War • George Manville Fenn

... substance, filling all space, which can vibrate as light, which can be sheared into positive and negative electricity, which in whirls constitutes matter, and which transmits by continuity and not impact every action and reaction of which matter ...

— Ancient and Modern Physics • Thomas E. Willson

... observe that the breath moves lazily out of the mouth and curls upward not more than an inch from the face. The idea that this breath, which has not a particle of force after leaving the vocal cords, can be directed against the hard palate with an impact sufficient to affect tone quality is the limit of absurdity. If the writer had spoken of directing the sound waves to the front of the mouth there would have been an element of reasonableness in it, for sound waves can be reflected as well as light waves; but breath and sound ...

— The Head Voice and Other Problems - Practical Talks on Singing • D. A. Clippinger

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