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1. : the point of the celestial sphere that is directly opposite the nadir and vertically above the observer see azimuth illustration. 2. : the highest point reached in the heavens by a celestial body. 3. : culminating point : acme. at the zenith of his powers John Buchan.
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What does zenith mean?
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What does zênite mean?
the highest point reached by a heavenly body (= any object existing in space, especially a planet, or the sun) as it travels around, or appears to travel around, another body: The summer sun was at its zenith in a cloudless sky. The sun is well past its zenith when we cross paths with a mini-flotilla. astronomy specialized.
Zenith definition: the point on the celestial sphere vertically above a given position or observer.. See examples of ZENITH used in a sentence.
In a scientific context, the zenith is the direction of reference for measuring the zenith angle (or zenith angular distance), the angle between a direction of interest (e.g. a star) and the local zenith - that is, the complement of the altitude angle (or elevation angle).
Zenith means the high point — it comes from astronomy, where it describes the highest point in an arc traveled by a star or a planet or another celestial body. The sun reaches its zenith when it is as high in the sky as it is going to go on that day.
The zenith is the point at which the sun or moon is directly above you and seems to be at its highest. Compare nadir.
What does the word zenith mean? There are eight meanings listed in OED's entry for the word zenith, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. zenith has developed meanings and uses in subjects including. astronomy (Middle English) medicine (mid 1600s) See meaning & use.
