—visionless, adj./vizh"euhn/, n.1. the act or power of sensing with the eyes; sight.2. the act or power of anticipating that which will or may come to be: prophetic vision; the vision of an entrepreneur.3. an experience in which a personage, thing, or event appears vividly or credibly to the mind, although not actually present, often under the influence of a divine or other agency: a heavenly messenger appearing in a vision. Cf. hallucination (def. 1).4. something seen or otherwise perceived during such an experience: The vision revealed its message.5. a vivid, imaginative conception or anticipation: visions of wealth and glory.6. something seen; an object of sight.7. a scene, person, etc., of extraordinary beauty: The sky was a vision of red and pink.8. See computer vision.v.t.9. to envision: She tried to vision herself in a past century.[1250-1300; ME < L vision- (s. of visio) a seeing, view, equiv. to vis(us), ptp. of videre to see + -ion- -ION]
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* * *physiological process of distinguishing, usually by means of an organ such as the eye, the shapes and colours of objects. See eye (eye, human); photoreception.
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