释义 |
excretion /ɪkˈskriːʃ(ə)n / /ɛkˈskriːʃ(ə)n/noun [mass noun]1(In living organisms and cells) the process of eliminating or expelling waste matter.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...- 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.
OriginEarly 17th century: from French excrétion or Latin excretio(n-), from excernere 'sift out' (see excrete). Rhymesaccretion, Capetian, completion, concretion, deletion, depletion, Diocletian, Grecian, Helvetian, repletion, Rhodesian, secretion, suppletion, Tahitian, venetian |