substrate
noun(sub-strate)
any stratum or layer lying underneath another
substrate
noun(sub-strate)
an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population
Examples:
The Celtic languages of Britain are a substrate for English.
substrate
noun(sub-strate)
a surface on which an organism grows or is attached
Examples:
The gardener talked about the proper substrate for acid-loving plants.
substrate
noun(sub-strate)
the substance that is acted upon by an enzyme or ferment