Nearby Words
sensible horizon
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Sensible horizon
is always a great word to know.
So is rotation. Does it mean:
| a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space |
| the movement or path of the earth or a heavenly body turning on its axis |
Dictionary.com Unabridged
noun
1.
the line or circle that forms the apparent boundary between earth and sky.
2.
Astronomy.
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.
Also called rational horizon. 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.
Usually, horizons. the scope of a person's interest, education, understanding, etc.: His horizons were narrow.
5.
EXPANDGeology. a thin, distinctive stratum useful for stratigraphic correlation.
6.
COLLAPSEany of the series of distinctive layers found in a vertical cross section of any well-developed soil.
Origin:
1540–50; < Latin horizōn < Greek horízōn (kýklos) bounding (circle), equivalent to horíz(ein) to bound, limit + -ōn present participle suffix (nominative singular); replacing Middle English orizonte < Middle French < Latin horizontem, accusative of horizōn
1540–50; < Latin horizōn < Greek horízōn (kýklos) bounding (circle), equivalent to horíz(ein) to bound, limit + -ōn present participle suffix (nominative singular); replacing Middle English orizonte < Middle French < Latin horizontem, accusative of horizōn
Synonyms
4. world, perspective, domain, viewpoint.
4. world, perspective, domain, viewpoint.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To sensible horizon
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
sensible horizon  (sěn'sə-bəl) Pronunciation Key
The plane of an observer's position lying at a right angle to the line formed by the observer's zenith and nadir. The plane of the sensible horizon is parallel to the plane of the observer's celestial horizon but is tangential to the Earth's surface rather than passing through the Earth's center. Both the celestial and sensible horizons change with the observer's position. Compare celestial horizon. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Dynamo Rating For Sensible horizon
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