substrate

sub·strate

(sŭb′strāt′)

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.

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.

substrate

(ˈsʌbstreɪt)

1. (Biochemistry) biochem the substance upon which an enzyme acts

3. (Electronics) electronics the semiconductor base on which other material is deposited, esp in the construction of integrated circuits

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sub•strate

(ˈsʌb streɪt)

1. the surface or medium on which an organism lives or grows.

2. the substance acted upon by an enzyme.

3. the foundation on which an integrated electronic circuit is formed or fabricated.

sub·strate

(sŭb′strāt′)

1. The material or substance on which an enzyme acts. See Note at enzyme.

2. The surface on which plants, algae, or certain animals, such as barnacles, live or grow. A substrate may serve as a source of food for an organism or simply provide support.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

substrate

- The surface on which an organism lives or moves.