sensible horizon


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sensible horizon

n.
The plane that intersects an observer's position and is perpendicular to the line formed by the observer's nadir and zenith.

sensible horizon

n
(Astronomy) See horizon2a

ho•ri•zon

(həˈraɪ zən)

n.
1. the line or circle that forms the apparent boundary between earth and sky.
2.
a. the small circle of the celestial sphere whose plane is tangent to the earth at the position of a given observer, or the plane of such a circle (sensible horizon).
b. the great circle of the celestial sphere whose plane passes through the center of the earth and is parallel to the sensible horizon of a given position, or the plane of such a circle (celestial horizon).
3. the limit or range of perception, knowledge, or the like.
4. Usu., horizons. the scope of a person's interest, education, understanding, etc.
5. a thin, distinctive geological stratum useful for stratigraphic correlation.
6. any of the series of distinctive layers found in a vertical cross section of any well-developed soil.
[1540–50; < Latin horizōn < Greek horízōn(kýklos) bounding (circle), present participle of horízein to bound, limit]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sensible horizon - the line at which the sky and Earth appear to meetsensible horizon - the line at which the sky and Earth appear to meet
linear perspective, perspective - the appearance of things relative to one another as determined by their distance from the viewer
line - a spatial location defined by a real or imaginary unidimensional extent
References in classic literature ?
Nothing could be more marked than the contrast between the earth and the heavens; for, while the former presented the dreary view that we have described, a warm and invigorating sun was dispensing his heats from a sky that contained but a solitary cloud, and through an atmosphere that softened the colors of the sensible horizon until it shone like a sea of blue.