synovial fluid

noun

Definition of synovial fluid

: a transparent viscid lubricating fluid secreted by a membrane of an articulation, bursa, or tendon sheath

Examples of synovial fluid in a Sentence

Recent Examples on the Web This gas comes from a lubricant inside your joints known as synovial fluid—which contains oxygen, nitrogen, and carbon dioxide—that helps give nutrients to the cartilage in your joints to help them glide smoothly. Demetria Wambia, SELF, 17 Feb. 2022 Joints are wrapped in a capsule of connective tissue that secretes synovial fluid as a lubricant when the joints are moved. Bryant Stamford, The Courier-Journal, 12 Nov. 2021 The authors think that the peptidoglycan remains in synovial fluid after the pathogen is gone. Linda Carroll, NBC News, 18 June 2019 Osteoarthritis is chronic joint inflammation that causes damage to articular cartilage – which covers and protects the ends of bones – as well as changes to synovial fluid and narrowing of the joint space. Kim Campbell Thornton, sacbee, 30 May 2018 Where the two bones of the finger meet, a little lake of synovial fluid keeps them from grinding on each other. Veronique Greenwood, New York Times, 29 Mar. 2018 But the problem is the drugs are cleared fairly quickly, because there’s an efficient drainage system for the joint’s synovial fluid. Megan Thielking, STAT, 3 Apr. 2018 The bones in the MCP joint touch and separate all the time, leading to reduced pressure in the synovial fluid trapped in the spaces, which in turn forms bubbles. Jeffrey Kluger, Time, 29 Mar. 2018 This is a common condition in which the knee’s natural lubricant, called synovial fluid, diminishes with age, resulting in painful friction of the knee joints. Joyce Wiswell For The Knee Institute, Detroit Free Press, 14 Mar. 2018 See More

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

First Known Use of synovial fluid

1846, in the meaning defined above

Learn More About synovial fluid

Time Traveler for synovial fluid

Time Traveler

The first known use of synovial fluid was in 1846

See more words from the same year

Dictionary Entries Near synovial fluid

synovial capsule

synovial fluid

synovial joint

See More Nearby Entries 

Statistics for synovial fluid

Cite this Entry

“Synovial fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/synovial%20fluid. Accessed 22 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for synovial fluid

synovial fluid

noun

Medical Definition of synovial fluid

: a transparent viscid lubricating fluid secreted by a membrane of an articulation, bursa, or tendon sheath

called also joint fluid, synovia

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!