Meaning & use
excretion
The biological process by which an organism removes waste products from its body.
See it in a sentence
The kidneys play a key role in the excretion of waste from the bloodstream.
Sweating is one form of excretion that also helps regulate body temperature.
A note on using this word
Excretion refers to removing metabolic waste, distinct from secretion, which is the release of useful substances like hormones or enzymes.
Words with a similar meaning
eliminationdischarge
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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