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lysis Line breaks: lysis
Pronunciation: /ˈlʌɪsɪs/

Definition of lysis in English:


[mass noun] Biology
The disintegration of a cell by rupture of the cell wall or membrane.
Example sentences
  • Inhibition of cell wall synthesis by penicillin resulted in disruption of the cell wall and lysis of the cell.
  • Presumably, the shock treatments that elicit bursting disrupt the balance of wall synthesis and lysis responsible for cell wall extension.
  • Apparently cinnamaldehyde blocks mitochondrial respiration and causes lysis of cultured liver cells.


Early 19th century: from Latin, from Greek lusis 'loosening', from luein 'loosen'.

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