Substrate - What is a substrate?

Definition of SUBSTRATE:

A general term for an underlying layer or surface. In labelling, substrate refers to the surface onto which a label is applied.

In printing, substrate refers to the surface that is to be printed, meaning that the face material (and top coatings) of a label may also be referred to as a substrate.

Here is the Harvard-style citation to use if you would like to reference this definition of the word substrate:
Label Planet (2020) What is a substrate? | Substrate Definition. Available at: https://www.labelplanet.co.uk/glossary/substrate/ (Accessed: January 1, 2023).