deposit another meaning please explain

1 : the state of being deposited. 2 : something placed for safekeeping: such as. a : money deposited in a bank making a deposit or a withdrawal a deposit of $3,000. b : money given as a pledge or down payment put down a deposit on a new house. 3 : a place of deposit : depository. understand Dear !!

in science, It means an accumulation . when a sample mixed in a solvent then heavy particles precipitate .