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Noon

   Also found in: Dictionary/thesaurus, Acronyms, Idioms, Wikipedia 0.01 sec.
noon [nün]
(astronomy)
The instant at which a time reference is over the upper branch of the reference meridian.

Noon 

the moment at which, for a given point on earth, the center of the sun (the true sun or the mean sun) is in the upper culmination. The apparent noon corresponds to a meridian transit by the true sun, while mean noon corresponds to a transit by the mean sun. The time at which noon occurs depends on the geographic longitude. Noon begins one hour later for every 15° of longitude to the west.



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As noon approached, all those who had wandered forth from our habitation, began to return; and when midday was fairly come scarcely a sound was to be heard in the valley: a deep sleep fell upon all.
--not to-night or to-morrow morning or tomorrow noon or night?
At noon he came again and gave us our food and water; this time Dolly came with him; she was crying, and I could gather from what they said that Jerry was dangerously ill, and the doctor said it was a bad case.
 
 
 
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