excretion
nounUK /ɪkˈskriːʃən/
US /ɪkˈskriːʃən/
Excretion is how a body gets rid of waste it does not need.
Sweating is one kind of excretion that helps cool the body.
OTHER MEANINGS
2. The waste matter that is removed from the body.
The lab tested the excretion for signs of infection.
3. In biology, the process by which organisms remove metabolic waste products.
Excretion in plants includes releasing oxygen through the leaves.
4. The act of discharging or throwing off something unwanted.
The factory's excretion of chemicals into the river was illegal.