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[in-vur-teys, -teyz] /ɪnˈvɜr teɪs, -teɪz/
noun, Biochemistry
an enzyme, occurring in yeast and in the digestive juices of animals, that causes the inversion of cane sugar into invert sugar.
Also, invertin
[in-vur-tn] /ɪnˈvɜr tn/ (Show IPA)
Also called sucrase.
1875-80; invert + -ase Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for invertase


an enzyme, occurring in the intestinal juice of animals and in yeasts, that hydrolyses sucrose to glucose and fructose Also called saccharase
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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invertase in Medicine

invertase in·ver·tase (ĭn-vûr'tās', ĭn'vər-tās', -tāz')
An enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose. Also called beta-fructofuranosidase, invertin, saccharase, sucrase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for invertase

any member of a group of enzymes present in yeast and in the intestinal mucosa of animals that catalyze the hydrolysis of cane sugar, or sucrose, to the simple sugars glucose and fructose.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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