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[si-noh-vee-uh] /sɪˈnoʊ vi ə/
noun, Physiology
a lubricating fluid resembling the white of an egg, secreted by certain membranes, as those of the joints.
Origin of synovia
1640-50; < New Latin, equivalent to syn- syn- + Latin ōv- (stem of ōvum egg1) + -ia -ia
Related forms
synovial, adjective
synovially, adverb
subsynovial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for synovial
  • The research focused on a type of cell called a synovial fibroblast, which helps to lubricate the lining of our joints.
  • synovial fluid is a lubricating fluid that supplies nutrients and oxygen to cartilage.
  • It is a viscous liquid found in tissues and the synovial fluid surrounding your joints.
  • These folds generally project from the synovial membrane near the margin of the cartilage, and lie flat upon its surface.
  • It divides the joint into two cavities, each of which is furnished with a synovial membrane.
  • Their deep surfaces form parts of the articular facets for the heads of the metacarpal bones, and are lined by synovial membranes.
  • It pierces the oblique popliteal ligament, and supplies the ligaments and synovial membrane in the interior of the articulation.
British Dictionary definitions for synovial


/saɪˈnəʊvɪəl; sɪ-/
of or relating to the synovia; (of a joint) surrounded by a synovia-secreting membrane
Derived Forms
synovially, adverb


/saɪˈnəʊvɪə; sɪ-/
a transparent viscid lubricating fluid, secreted by the membrane lining joints, tendon sheaths, etc
Word Origin
C17: from New Latin, probably from syn- + Latin ōvum egg
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
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Word Origin and History for synovial

1756, from synovia, Modern Latin sinovia, probably a coinage of Paracelsus and apparently an invented word.

Online Etymology Dictionary, © 2010 Douglas Harper
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synovial in Medicine

synovia syn·o·vi·a (sĭ-nō'vē-ə)
A clear, thixotropic lubricating fluid secreted by membranes in joint cavities, tendon sheaths, and bursae. Also called synovial fluid.

syn·o'vi·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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