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From Nordan Symposia
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==Etymology==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] horizon, from Late [[Latin]] horizont-, horizon, from [[Greek]] horizont-, horizōn, from present participle of horizein to bound, define, from horos boundary; perhaps akin to Latin urvum curved part of a plow
*Date: [http://www.wikipedia.org/wiki/14th_Century 14th century]
==Definitions==
*1 a : the [[apparent]] junction of [[earth]] and sky
:b : the great [[circle]] on the [[celestial]] [[sphere]] formed by the intersection of the celestial sphere with a plane tangent to the earth's [[surface]] at an [[observer]]'s position
:c : range of [[perception]] or [[experience]]
:d : something that might be [[attained]] <new horizons>
*2 a : the geological deposit of a particular [[time]] usually identified by distinctive fossils
:b : any of the reasonably distinct layers of soil or its underlying material in a vertical section of land
:c : a cultural area or level of development indicated by separated [[groups]] of [[artifacts]]
==Description==
The '''horizon''' (Ancient Greek ὁ ὁρίζων, /ho horídzôn/, from ὁρίζειν, "to limit") is the apparent line that separates earth from sky. It is the line that divides all visible directions into two categories: those that intersect the [[Earth]]'s [[surface]], and those that do not. At many locations, the true horizon is obscured by trees, buildings, mountains, etc., and the resulting intersection of earth and sky is called the visible horizon. When looking at a sea from a shore, the part of the sea closest to the horizon is called the offing.
[[Category: General Reference]]
==Etymology==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] horizon, from Late [[Latin]] horizont-, horizon, from [[Greek]] horizont-, horizōn, from present participle of horizein to bound, define, from horos boundary; perhaps akin to Latin urvum curved part of a plow
*Date: [http://www.wikipedia.org/wiki/14th_Century 14th century]
==Definitions==
*1 a : the [[apparent]] junction of [[earth]] and sky
:b : the great [[circle]] on the [[celestial]] [[sphere]] formed by the intersection of the celestial sphere with a plane tangent to the earth's [[surface]] at an [[observer]]'s position
:c : range of [[perception]] or [[experience]]
:d : something that might be [[attained]] <new horizons>
*2 a : the geological deposit of a particular [[time]] usually identified by distinctive fossils
:b : any of the reasonably distinct layers of soil or its underlying material in a vertical section of land
:c : a cultural area or level of development indicated by separated [[groups]] of [[artifacts]]
==Description==
The '''horizon''' (Ancient Greek ὁ ὁρίζων, /ho horídzôn/, from ὁρίζειν, "to limit") is the apparent line that separates earth from sky. It is the line that divides all visible directions into two categories: those that intersect the [[Earth]]'s [[surface]], and those that do not. At many locations, the true horizon is obscured by trees, buildings, mountains, etc., and the resulting intersection of earth and sky is called the visible horizon. When looking at a sea from a shore, the part of the sea closest to the horizon is called the offing.
[[Category: General Reference]]
