Descending

a.

1.

Of or pertaining to descent; moving downwards. Descending constellations (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.

Adj.

1.

descending - coming down or downward Antonyms: ascending - moving or going or growing upward; "the ascending plane"; "the ascending staircase"; "the ascending stems of chickweed"

ascending, axial, back, back-flowing, backward, collapsing, deciduous, declined, declining, declivate, declivitous, declivous, decurrent, descendant, dipping, down, down-reaching, down-trending, downcoming, downfalling, downgoing, downgrade, downhill, downsinking, downward, drifting, drooping, dropping, falling, flowing, fluent, flying, going, gyrational, gyratory, mounting, on the descendant, on the downgrade, passing, plummeting, plunging, progressive, reflowing, refluent, regressive, retrogressive, rising, rotary, rotational, rotatory, running, rushing, sagging, setting, sideward, sinking, soaring, streaming, submerging, subsiding, tottering, tumbledown, up-trending, upward