Biochemistry. the substance acted upon by an enzyme.
Electronics. a supporting material on which a circuit is formed or fabricated.
Origin of substrate
First recorded in 1570–80;
variant of substratum
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for substrate
biochem the substance upon which an enzyme acts
electronics the semiconductor base on which other material is deposited, esp in the construction of integrated circuits
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for substrate
1810, from Modern Latin substratum (see substratum).
Online Etymology Dictionary, © 2010 Douglas Harper
The material or substance on which an enzyme acts.
A surface on which an organism grows or is attached.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
The material or substance on which an enzyme acts. See more at enzyme.
The surface on or in which plants, algae, or certain animals, such as barnacles or clams, live or grow. A substrate may serve as a source of food for an organism or simply provide support.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.