lysis

noun
ly·​sis | \ ˈlī-səs How to pronounce lysis (audio) \
plural lyses\ ˈlī-​ˌsēz How to pronounce lyses (audio) \

Definition of lysis

 (Entry 1 of 2)

1 : the gradual decline of a disease process (such as fever)
2 : a process of disintegration or dissolution (as of cells)
plural -lyses

Definition of -lysis (Entry 2 of 2)

1 : decomposition electrolysis
2 : disintegration : breaking down autolysis

First Known Use of lysis

Noun

1543, in the meaning defined at sense 1

History and Etymology for lysis

Noun

New Latin, from Greek, act of loosening, dissolution, remission of fever, from lyein to loosen — more at lose

Noun combining form

New Latin, from Latin & Greek; Latin, loosening, from Greek, from lysis

Keep scrolling for more

Learn More about lysis

Statistics for lysis

Time Traveler for lysis

The first known use of lysis was in 1543

See more words from the same year

Keep scrolling for more

More Definitions for lysis

lysis

noun
ly·​sis | \ ˈlī-səs How to pronounce lysis (audio) \
plural lyses\ -​ˌsēz How to pronounce lyses (audio) \

Medical Definition of lysis

1 : the gradual decline of a disease process (as fever) — compare crisis sense 1
2 : a process of disintegration or dissolution (as of cells)

More from Merriam-Webster on lysis

Rhyming Dictionary: Words that rhyme with lysis

Britannica.com: Encyclopedia article about lysis

Comments on lysis

What made you want to look up lysis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not being in agreement or harmony

Get Word of the Day daily email!

Test Your Vocabulary

Confusing Words—A Quiz

  • alice with tweedle dee and tweedle dum
  • I invented a brand new toaster robot and ______ it "Sir Toasts-a-Lot."
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!