hyaluronidase
Americannoun
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Biochemistry. a mucolytic enzyme found in the testes, in snake venom, and in hemolytic streptococci and certain other bacteria, that decreases the viscosity of the intercellular matrix by breaking down hyaluronic acid.
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Pharmacology. a commercial form of this substance, used chiefly to promote the diffusion of intradermally injected drugs.
noun
Etymology
Origin of hyaluronidase
1935–40; hyaluron(ic acid) ( def. ) + -id- (by analogy with amidase, peptidase, etc.) + -ase
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.
Rather than flooding the area with a drug called hyaluronidase to dissolve the filler, clinicians can do guided injections that use less hyaluronidase and provide better treatment results, she says.
From BBC ● Dec. 3, 2025
It has been repeatedly demonstrated that the injection of enormous amounts of hyaluronidase into cancer-bearing animals, or even into the cancerous tumor itself, has no effect on the cancerous process whatsoever .
From Time Magazine Archive
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Actually, say physiologists, there is no proof that hyaluronidase is responsible for penetration of the ovum.
From Time Magazine Archive
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Next, he relied heavily on the theory that the ability of the male sperm to penetrate an ovum depends largely on the enzyme hyaluronidase, and argued that the hesperidin must counteract this enzyme.
From Time Magazine Archive
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In the endless search for a criminal substance which can be proved guilty of causing the explosive growth of cancer cells, suspicion has settled on an enzyme, hyaluronidase, already known to be a "spreading factor."
From Time Magazine Archive
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.