01 n. The act of going downward; descent; falling or sinking; declension; degradation.
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1.
The act of going downward; descent; falling or sinking; declension; degradation.
Phrases & compounds
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.