substrate

Pronunciation: /ˈsʌbˌstɹeɪt/

The English word “substrate” has 9 meanings listed here.

noun

An underlying layer; a substratum.
The substance lining the bottom edge of an enclosure.
A substance acted upon, as by an enzyme.
A surface on which an organism grows, or to which an organism or an item is attached.
A language that is replaced in a population by another language and that influences the language imposed on its speakers.
A metal which is plated with another metal which has different physical properties.
A surface to which a substance adheres.

Anglicization of substratum.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.