impact

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Related to impacted: impacted cerumen, Impacted bowel

upon impact

At the instant physical contact or a collision occurred. The egg smashed upon impact with the cement. No, sir, the pilot died upon impact.
See also: impact, upon

have an impact on (someone or something)

To affect or influence someone or something. Of course your decision has an impact on me—I'm your wife! Don't worry, your grade on that assignment has very little impact upon your overall grade for the semester.
See also: have, impact, on

impact (up)on (someone or something)

To affect or influence someone or something. Of course your decision impacts on me—I'm your wife! Don't worry, your grade on that assignment won't impact upon your overall grade for the semester.
See also: impact

have an impact on someone or something

to leave an impression on someone or something. The sharp change in interest rates had an impact on the housing market. Your story really had an impact on me.
See also: have, impact, on

impact (up)on someone or something

[for something] to have an effect on someone or something. (Upon is formal and less commonly used than on.) This plant closing will impact upon the local economy for years to come. The day's troubles impacted on Rachel quite seriously.
See also: impact, on

upon impact

Fig. at the place or time of an impact. The car crumpled upon impact with the brick wall. The man who fell from the top of the building died on impact.
See also: impact, upon

impact on

v.
To have an effect on someone or something: The results of the election will impact on upcoming legislation.
See also: impact, on
References in periodicals archive ?
TABLE 1: POSITION AND QUADRANT DISTRIBUTION OF UNILATERAL IMPACTED CANINES
TABLE 2: POSITION DISTRIBUTION OF BILATERAL IMPACTED CANINES
TABLE 3: ASSOCIATION BETWEEN DIFFERENT VARIABLES IN IMPACTED CANINES
In the present study statistical difference was noted between males and females when the overall sample was compared for the presence of impacted canines.
Similar findings were reported on impacted canines in a Turkish study.23
Palatal impacted canines were most common followed by buccal impactions.
(1) The deformation of the impacted piers and the impact force are mainly governed by impact energy.
(3) The performance levels of the impacted piers can be divided into three categories according to different failure modes.
(4) Study results and failure modes of impacted piers demonstrate that the current impact design provisions of AASHTO, Eurocode, and JTG D60 could be unconservative.
Wijeyewickrema, "Performance of reinforced concrete columns impacted by waterborne shipping containers," Advances in Structural Engineering, vol.
Juan, The crashworthiness of the substructures of urban bridges impacted by heavy vehicles [Ph.D.
Wijeyewickrema, "Response of reinforced concrete columns impacted by tsunami dispersed 20' and 40' shipping containers," Engineering Structures, vol.
Note that for the same composite impacted by the same type of impactor, the ply thickness (Grade-190 vs.
Major difference in impact damages was observed in the toughened and the conventional composites when impacted by the same type of impactor at the same impact energy.
This might be because the damage area was more difficult to measure accurately for the specimens impacted at higher energies.