Definition of Visual

Vis´u`al
a.1.Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve.
The air,
Nowhere so clear, sharpened his visual ray.
- Milton.
2.That can be seen; visible.
Visual angle
(Opt.) See under Angle.
Visual cone
(Persp.) a cone whose vertex is at the point of sight, or the eye.
Visual plane
any plane passing through the point of sight.
Visual point
the point at which the visual rays unite; the position of the eye.
Visual purple
(Physiol.) a photochemical substance, of a purplish red color, contained in the retina of human eyes and in the eyes of most animals. It is quickly bleached by light, passing through the colors, red, orange, and yellow, and then disappearing. Also called rhodopsin, and vision purple. See Optography.
Visual ray
a line from the eye, or point of sight.
Visual white
(Physiol.) the final product in the action of light on visual purple. It is reconverted into visual purple by the regenerating action of the choroidal epithelium.
Visual yellow
(Physiol.) a product intermediate between visual purple and visual white, formed in the photochemical action of light on visual purple.


Related Words

apparent, beholdable, detectable, discernible, disclosed, evident, exposed, exposed to view, eyeball, hanging out, in evidence, in full view, in plain sight, in view, insight, manifest, naked, noticeable, observable, ocular, open, open to view, ophthalmic, optic, optical, outcropping, perceivable, perceptible, recognizable, revealed, seeable, seeing, showing, to be seen, unclouded, unconcealed, undisguised, unhidden, viewable, visible, visional, witnessable

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Visitable
Visitant
Visitation
Visitatorial
Visite
Visiter
Visiting
Visiting ant
Visiting book
Visiting card
Visitor
Visitorial
Visive
Visne
Visnomy
Vison
Visor
Visored
Vista
Visto
Visual angle
Visual cone
visual magnitude
Visual plane
Visual point
Visual purple
Visual ray
Visual white
Visual yellow
Visualize
Visualizer
Vitaille
Vital
Vital air
Vital capacity
Vital force
Vital functions
Vital principle
Vital statistics
Vital tripod
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