meaning of deplete
1. To empty or unload, as the vessels of human system, by bloodletting or by medicine.
2. To reduce by destroying or consuming the vital powers of; to exhaust, as a country of its strength or resources, a treasury of money, etc.
3. use up resources or materials; "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a
">week"