meridian altitude


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Related to meridian altitude: meridian passage

meridian altitude

[mə′rid·ē·ən ‚al·tə‚tüd]
(astronomy)
The altitude of a celestial body when it is on the celestial meridian of the observer, bearing 000° or 180° true.

meridian altitude

The altitude of a celestial body when the celestial meridian of the observer is either 000° or 180°.