substrate

[suhb-streyt]

noun

a substratum.
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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for substrate

Contemporary Examples of substrate

Each 6000kg sculpture is lowered to the seabed where it is drilled into the substrate to lessen the effects of turbulent weather.
Artist Jason deCaires Taylor’s Underwater Sculptures Are a Sight to Sea
Justin Jones
April 7, 2014

Historical Examples of substrate

Let us return to matter as a substrate, and then to what is said to exist within it.
Plotinos: Complete Works, v. 2
Plotinos (Plotinus)
Nor will the soul be in the body as (a quality) is in a substrate.
Plotinos: Complete Works, v. 2
Plotinos (Plotinus)
Yes: it demands a substrate to receive them (as a residence).
Plotinos: Complete Works, v. 1
Plotinos (Plotinus)
This substrate is not a mass; for in this case, it would be an extension.
Plotinos: Complete Works, v. 1
Plotinos (Plotinus)
But if this substrate have no extension, how can it be a residence (for form)?
Plotinos: Complete Works, v. 1
Plotinos (Plotinus)

British Dictionary definitions for substrate

substrate

noun

biochem the substance upon which an enzyme acts
another word for substratum
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

Word Origin and History for substrate

1810, from Modern Latin substratum (see substratum).

substrate in Medicine

substrate

[sŭb′strāt′]

The material or substance on which an enzyme acts.
A surface on which an organism grows or is attached.

substrate in Science

substrate

[sŭb′strāt′]

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.