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substrate

[suhb-streyt] /ˈsʌb streɪt/
noun
1.
a substratum.
2.
Biochemistry. the substance acted upon by an enzyme.
3.
Electronics. a supporting material on which a circuit is formed or fabricated.
Origin of substrate
1570-1580
First recorded in 1570-80; variant of substratum
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for substrate

substrate

/ˈsʌbstreɪt/
noun
1.
(biochem) the substance upon which an enzyme acts
2.
another word for substratum
3.
(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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for substrate
n.

1810, from Modern Latin substratum (see substratum).

Online Etymology Dictionary, © 2010 Douglas Harper
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substrate in Medicine

substrate sub·strate (sŭb'strāt')
n.

  1. The material or substance on which an enzyme acts.

  2. 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.
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substrate in Science
substrate
  (sŭb'strāt')   
  1. The material or substance on which an enzyme acts. See more at enzyme.

  2. 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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