[ hahy-drol-uh-sis ]

noun,plural hy·drol·y·ses [hahy-drol-uh-seez]. /haɪˈdrɒl əˌsiz/.
  1. chemical decomposition in which a compound is split into other compounds by reacting with water.

Origin of hydrolysis

First recorded in 1875–80; hydro-1 + -lysis

Words Nearby hydrolysis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hydrolysis in a sentence

  • Other methods depend upon a partial hydrolysis of the protein.

    Animal Proteins | Hugh Garner Bennett

British Dictionary definitions for hydrolysis


/ (haɪˈdrɒlɪsɪs) /

  1. a chemical reaction in which a compound reacts with water to produce other compounds

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

Scientific definitions for hydrolysis


[ hī-drŏlĭ-sĭs ]

  1. The reaction of water with another chemical compound to form two or more products, involving the ionization of the water molecule and usually splitting the other compound. The proteins, fats, and complex carbohydrates in food are broken down in the body by hydrolysis that is catalyzed by enzymes in the digestive tract.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.