1.  submersion(n = noun.event) immersion, submergence, submerging - sinking until covered completely with water;
is a kind of sinking
has particulars: dip
Derived forms verb submerge₁, verb submerse₂, verb submerse₁

2.  submersion(n = noun.act) dousing, ducking, immersion - the act of wetting something by submerging it;
is a kind of wetting
Derived forms verb submerge₃, verb submerse₂

1.  The act of submerging, or putting under water or other fluid, or of causing to be overflowed; the act of plunging under water, or of drowning. [1913 Webster]

2.  The state of being put under water or other fluid, or of being overflowed or drowned. [1913 Webster]

N  depth, deepness, profundity, depression, hollow, pit, shaft, well, crater, gulf, bowels of the earth, botttomless pit, hell, soundings, depth of water, water, draught, submersion, plummet, sound, probe, sounding rod, sounding line, lead, bathymetry, sonar, side-looking sonar, bathometer, deep, deep seated, profound, sunk, buried, submerged, subaqueous, submarine, subterranean, subterraneous, subterrene, underground, bottomless, soundless, fathomless, unfathomed, unfathomable, abysmal, deep as a well, bathycolpian, benthal, benthopelagic, downreaching, yawning, knee deep, ankle deep, beyond one's depth, out of one's depth, over head and ears, mark twine, mark twain.

N  insertion, implantation, introduction, insinuation, planting injection, inoculation, importation, infusion, forcible ingress, immersion, submersion, submergence, dip, plunge, bath, interment, clyster, enema, glyster, lavage, lavement, inserted.