peptidoglycan

noun
pep·​ti·​do·​gly·​can | \ ˌpep-tə-dō-ˈglī-ˌkan How to pronounce peptidoglycan (audio) \

Definition of peptidoglycan

: a polymer that is composed of polysaccharide and peptide chains and is found especially in bacterial cell walls

called also mucopeptide, murein

Examples of peptidoglycan in a Sentence

Recent Examples on the Web That thick layer of peptidoglycan helps hold in a purple dye called crystal violet. Beth Mole, Ars Technica, "How a new antibiotic destroys extremely drug-resistant tuberculosis," 16 Aug. 2019 By contrast, cells with more complex cell walls consisting of a relatively thin layer of peptidoglycan plus an outer membrane don’t hold in crystal violet as well. Beth Mole, Ars Technica, "How a new antibiotic destroys extremely drug-resistant tuberculosis," 16 Aug. 2019 The authors think that the peptidoglycan remains in synovial fluid after the pathogen is gone. Linda Carroll, NBC News, "Possible clue to Lyme arthritis found in patients' inflamed joints," 18 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peptidoglycan.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of peptidoglycan

1966, in the meaning defined above

Keep scrolling for more

Learn More about peptidoglycan

Time Traveler for peptidoglycan

Time Traveler

The first known use of peptidoglycan was in 1966

See more words from the same year

Statistics for peptidoglycan

Cite this Entry

“Peptidoglycan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptidoglycan. Accessed 21 Sep. 2020.

Keep scrolling for more

More Definitions for peptidoglycan

peptidoglycan

noun
pep·​ti·​do·​gly·​can | \ ˌpep-təd-ō-ˈglī-ˌkan How to pronounce peptidoglycan (audio) \

Medical Definition of peptidoglycan

: a polymer that is composed of polysaccharide and peptide chains and is found especially in bacterial cell walls

called also mucopeptide, murein

More from Merriam-Webster on peptidoglycan

Britannica.com: Encyclopedia article about peptidoglycan

Comments on peptidoglycan

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

WORD OF THE DAY

Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!