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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.
Origin of invertase
First recorded in 1875-80; invert + -ase Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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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