1. downgoing - Noun
2. downgoing - Adjective
downgoing (not comparable)
(sciences, especially of a wave) Tending downward
downgoing (plural downgoings)
(rare, poetic) A descent
Accretion occurs over geoidal lows that can be caused by avalanche slabs or the downgoing limbs of convection cells. Source: Internet
One of the most significant correlations discovered to date is that lithospheric plates attached to downgoing (subducting) plates move much faster than plates not attached to subducting plates. Source: Internet