Definition of excretion in English:

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Pronunciation: /ɪkˈskriːʃ(ə)n/
Pronunciation: /ɛkˈskriːʃ(ə)n/


[mass noun]
1(In living organisms and cells) the process of eliminating or expelling waste matter.
Example sentences
  • The bound Hg is then removed from the organism by natural excretion.
  • In the eukaryotic cell there are a number of places where specialized tasks, such as digestion of nutrients and excretion of wastes, take place.
  • There is little evidence of virus excretion in urine or faeces.
1.1 [count noun] A product excreted by a living organism or cell: bodily excretions
More example sentences
  • Infected dogs also shed the virus through bodily secretions and excretions.
  • They're in a big apartment building which looks like an English housing estate from the outside but is clean, the lifts work, and there are no bodily excretions in sight or smell.
  • Overnight, the margin for error was reduced to almost zero, since nobody wants to overtake his own bodily excretions as he reaches terminal velocity.


Early 17th century: from French excrétion or Latin excretio(n-), from excernere 'sift out' (see excrete).

Words that rhyme with excretion

accretion, Capetian, completion, concretion, deletion, depletion, Diocletian, Grecian, Helvetian, repletion, Rhodesian, secretion, suppletion, Tahitian, venetian

For editors and proofreaders

Line breaks: ex|cre¦tion

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