Submersion
Pronunciation : Sub*mer"sion
Part of Speech : n.
Etymology : [L. submersio: cf. F. submersion.]
Definition : 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.
2. The state of being put under water or other fluid, or of being overflowed or drowned.
Source : Webster's Unabridged Dictionary, 1913