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excretion

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Excretion is defined as the process of expelling waste matter, or the waste matter expelled by this process.

(noun)

When a person goes to the bathroom to urinate, this is an example of excretion.
Urine is an example ofexcretion.

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See excretion in Webster's New World College Dictionary

noun

the act or process of excreting
waste matter excreted; sweat, urine, etc.

Origin: VL excretio

See excretion in American Heritage Dictionary 4

noun

The act or process of discharging waste matter from the blood, tissues, or organs.
The matter, such as urine or sweat, that is so excreted.

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