| descension | The act of going downward; descent; falling or sinking; declension; degradation. <astronomy> Oblique descension, the degree or arc of the equator which descends, with a celestial object, below the horizon of an oblique sphere. Right descension, the degree or arc of the equator which descends below the horizon of a right sphere at the same time with the object. Origin: OF. Descension, L. Descensio. See Descent. Source: Websters Dictionary (01 Mar 1998) |
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