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substrate

 - 5 dictionary results

sub⋅strate

[suhb-streyt]
–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:
1570–80; var. of substratum
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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sub·strate   (sŭb'strāt')   
n.  
  1. The material or substance on which an enzyme acts.

  2. Biology A surface on which an organism grows or is attached.

  3. An underlying layer; a substratum.

  4. Linguistics An indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population.


[From substratum.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: sub·strate
Pronunciation: 's&b-"strAt
Function: noun
1 : SUBSTRATUM 1
2 : the base on which an organism lives
3 : a substance acted upon (as by an enzyme)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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Computing Dictionary

substrate hardware
The body or base layer of an integrated circuit, onto which other layers are deposited to form the circuit. The substrate is usually Silicon, though Sapphire is used for certain applications, particularly military, where radiation resistance is important. The substrate is originally part of the wafer from which the die is cut. It is used as the electrical ground for the circuit.
(1996-04-07)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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