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Any of numerous compounds that are produced by living organisms and function as biochemical catalysts. Some enzymes are simple proteins, and others consist of a protein linked to one or more nonprotein groups.

[German Enzym, from Medieval Greek enzūmos, leavened : Greek en-, in; see en-2 + Greek zūmē, leaven, yeast.]

en′zy·mat′ic (-zə-măt′ĭk), en·zy′mic (-zī′mĭk, -zĭm′ĭk) adj.
en′zy·mat′i·cal·ly, en·zy′mi·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌɛnzaɪˈmætɪkəlɪ) or


(Microbiology) in the manner of enzymes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The study shows that during aging, Paneth cells begin to express the secreted Wnt-inhibitor Notum, which enzymatically inactivates Wnt-ligands in the stem cell niche, decreasing regenerative potential of intestinal stem cells.
When pre-treated cotton is hot bleached enzymatically, it showcases same or even better properties than conventionally preferred alkaline scoured and bleached cotton.
* Sodium Ascorbyl Phosphate - Stable vitamin C derivative that is cleaved enzymatically in the skin to release active vitamin C.
Topsalysin is a highly potent ablative agent that is selective and targeted in that it is only activated by enzymatically active PSA which is found in high concentrations in the transition zone of the prostate and in and around prostate tumor cells.
ARS chemists created SoyScreen by enzymatically combining ferulic acid, a natural antioxidant, with soy oil and later licensed the process to a Peoria, Illinois, firm.
Enzymatically synthesized lactose monodecanoate (LMD) and lactose monolaurate (LML) exhibit greater microbial inhibitory properties against Gram-positive bacteria than lactose monomyristate (LMM) and lactose monooctanoate (LMO).
Biobran is a modified arabinoxylan rice bran, enzymatically treated with an extract from shitake mushroom mycelia that permits, unlike other fibers, quick intestinal absorption into the bloodstream, activating a number of cytokines that, in turn, activate NK cells, dendritic cells, and macrophages.
After MORAb-202 enters the target cancer cells, the linker is enzymatically cleaved, separating eribulin, the payload, from the antibody.
Scientists have uncovered an enzymatically modified rice bran that has been shown to increase NK-cell activity by up to 84%.29
Total glutathione was measured enzymatically as described previously [26] and normalized to cellular protein measured by the bicinchoninic acid-based method (Pierce).
Enzymatically measured creatinine concentration (Roche Diagnostics, COBAS 8000) was significantly decreased 24 h after admission (Table 1), inconsistent with clinical features and blood urea nitrogen concentration.