| IMPAC | Information for Management, Planning, Analysis and Coordination |
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| impact | 1. Contact or impression by touch; collision; forcible contact; force communicated. "The quarrel, by that impact driven." (Southey) 2. <mechanics> The single instantaneous stroke of a body in motion against another either in motion or at rest. Source: Websters Dictionary (01 Mar 1998) |
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| impact fusion | <radiobiology> Fusion approach where a fuel projectile is acclerated and impacted into either a stationary target or another projectile. This is valuable for scientific purposes but not a candidate for a fusion energy source because the likelihood of fusion occurring in a single collision is too low. Multiple accelerated pellets colliding with spherical symmetry might be a viable inertial confinement approach. An impact fusion driver accelerates the macroparticles and is used in inertial confinement fusion. (13 Nov 1997) |
| impact resistance | The ability of a lens for eyewear to withstand impact without shattering or breaking, i.e., of a 3/8 -inch steel ball dropped 50 feet; criteria for determination of impact resistance are specified by U.S. Regulations. (05 Mar 2000) |
| impacted | Driven together or close. <surgery> Impacted fracture, a fracture in which the fragments are driven into each other so as to be immovable. Source: Websters Dictionary (01 Mar 1998) |
| impacted foetus | A foetus which, because of its large size or narrowing of the pelvic canal, has become wedged and incapable of spontaneous advance or recession. (05 Mar 2000) |
| impacted fracture | A fracture in which one of the fragments is driven into the cancellous tissue of the other fragment. (05 Mar 2000) |
| impacted teeth | <dentistry> Teeth that have not fully erupted into their normal position. (15 Nov 1997) |
| impacted tooth | <dentistry> A tooth which is within the alveolus (the tooth socket within the alveolar bone of the jaw) and is prevented from erupting into its normal position. (27 Sep 1997) |
| impaction | 1. <surgery> The driving of one fragment of bone into another so that the fragments are not movable upon each other; as, impaction of the skull or of the hip. 2. <medicine> An immovable packing;, a lodgment of something in a strait or passage of the body; as, impaction of the foetal head in the strait of the pelvis; impaction of food or feces in the intestines of man or beast. Origin: L. Impactio a striking: cf. F. Impaction. Source: Websters Dictionary (01 Mar 1998) |
| impaction, dental | Teeth pressing together. For example, molar teeth (the large teeth in the back of the jaw) can be impacted, cause pain and require pain medication, antibiotics, and surgical removal. (12 Dec 1998) |
| impacted |
wedged or packed in together; "an impacted tooth"
Ãâó: wordnet.princeton.edu/perl/webwn
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| impacted fracture |
fracture in which one broken end is wedged into the other broken end
Ãâó: wordnet.princeton.edu/perl/webwn
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| impacted tooth |
impaction: a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
Ãâó: wordnet.princeton.edu/perl/webwn
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| impaction |
the condition of being pressed closely together and firmly fixed a disorder in which feces are impacted in the lower colon a disorder in which a tooth is so crowded in its socket that it cannot erupt normally impingement: a sharp collision produced by striking or dashing against something
Ãâó: wordnet.princeton.edu/perl/webwn
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| impacted fracture |
fracture in which one fragment is firmly driven into the other. See Plate 18.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| IMPAC | influencing strongly |
|---|---|
| IMPAC | the violent interaction of individuals or groups entering into combat |
| IMPAC | the striking of one body against another |
| IMPAC | a forceful consequence |
| IMPAC | have an effect upon |
| IMPAC | press or wedge together |
| IMPAC | a printer that prints by mechanical impacts |
| IMPAC | wedged or packed in together |
| IMPAC | fracture in which one broken end is wedged into the other broken end |
| IMPAC | a disorder in which a tooth is so crowded in its socket that it cannot erupt normally |
| IMPAC | a sharp collision produced by striking or dashing against something |
| IMPAC | a disorder in which a tooth is so crowded in its socket that it cannot erupt normally |
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