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to go under below the surface of a particular substance such as water, sand, tar, mud, etc.
to make something such as a ship submerge
(of ships, boats, etc. ) to move downward beneath the surface of a body of water
to gradually move downward into a particular substance
to drop in value, amount, strength, etc.
to gradually move downward, often due to the force of gravity
to dig a hole and place an object into the soil
to lower oneself gradually and intentionally
to do something that prevents someone or something from achieving success
to cause something to go into a certain substance
a covered cistern; waste water and sewage flow into it
a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
a process or thing that absorbs or removes energy or a specific substance from a system