SUBMERSION

submersion. Submersion, n. the act of plunging down or drowning

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Sub‐mer″sion (?), n. [[L. submersio: cf. F. submersion.]] 1. 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. 2. The state of being put under water or other fluid, or of being overflowed or drowned.