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  • lysis
    lysis
    noun
    the dissolution or destruction of cells by lysins.
  • -lysis
    -lysis
    a combining form with the meaning “breaking down, loosening, decomposition,” used in the formation of compound words.

lysis

1 American  
[lahy-sis] / ˈlaɪ sɪs /

noun

plural

lyses
  1. Immunology, Biochemistry. the dissolution or destruction of cells by lysins.

  2. Medicine/Medical. the gradual recession of a disease.


-lysis 2 American  
  1. a combining form with the meaning “breaking down, loosening, decomposition,” used in the formation of compound words.

    analysis; electrolysis; paralysis.


lysis 1 British  
/ ˈlaɪsɪs /

noun

  1. the destruction or dissolution of cells by the action of a particular lysin

  2. med the gradual reduction in severity of the symptoms of a disease

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-lysis 2 British  

combining form

  1. indicating a loosening, decomposition, or breaking down

    electrolysis

    paralysis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lysis Scientific  
/ līsĭs /
  1. The disintegration of a cell resulting from destruction of its membrane by a chemical substance, especially an antibody or enzyme.


Etymology

Origin of lysis1

1815–25; < New Latin < Greek lýsis a loosening, releasing, equivalent to ly-, variant stem of lȳ́ ( ein ) to loosen, release + -sis -sis

Origin of -lysis2

From Greek; see origin at lysis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Fancy Agathon asking questions about the Volstead Act, Lysis hearing that the U. S. has hundred of colleges and also Kansans who believe in an ape-shaped Devil that invented grapes.

From Time Magazine Archive

The problems of virtue and knowledge have been discussed in the Lysis, Laches, Charmides, and Protagoras; the puzzle about knowing and learning has already appeared in the Euthydemus.

From Meno by Jowett, Benjamin

Ctesippus, who is the lover of Cleinias, has been already introduced to us in the Lysis, and seems there too to deserve the character which is here given him, of a somewhat uproarious young man.

From Euthydemus by Jowett, Benjamin

Lysis was the name under which Margaret of Valois celebrated the memory of her former lover in a poem entitled "L'esprit de Lysis disant adieu à sa Flore."

From Bussy D'Ambois and The Revenge of Bussy D'Ambois by Boas, Frederick S.

For his education he was chiefly indebted to Lysis of Tarentum, a Pythagorean exile who had found refuge with his father Polymnis.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 6 "English Language" to "Epsom Salts" by Various