Of or pertaining to descent; moving downwards.
Descending constellations ∨ signs Astron., those through which the planets descent toward the south. -- Descending node Astron., that point in a planet's orbit where it intersects the ecliptic in passing southward. -- Descending series Math., a series in which each term is numerically smaller than the preceding one; also, a series arranged according to descending powers of a quantity.
© Webster 1913.