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jump
(redirected from leaped to conclusions)

   Also found in: Dictionary/thesaurus, Legal, Encyclopedia 0.01 sec.
jump
The displacement of the image of an object occurring when viewing across the borderline between two portions of different power in a bifocal or trifocal lens. The jump is eliminated by placing the optical centres on the dividing line; the lens is then called a no jump bifocal (e.g. a monocentric bifocal with a straight dividing line) (Fig. J1). Syn. image jump; prismatic jump. See monocentric.
Fig. J1 Image jump upward caused by the segment of a bifocal lens, as the direction of gaze is lowered across the dividing lineenlarge picture
Fig. J1 Image jump upward caused by the segment of a bifocal lens, as the direction of gaze is lowered across the dividing line


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Whitehurst, a veteran of 14 years who first complained to FBI officials in 1989, has said that FBI explosives experts and other analysts lacked necessary qualifications to make expert judgments, leaped to conclusions without sufficient scientific evidence and misinterpreted their findings.
 
 
 
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