Noun

• S: (n) substrate (the substance that is acted upon by an enzyme or ferment)
• direct hypernym / inherited hypernym / sister term
• S: (n) substrate, substratum (a surface on which an organism grows or is attached) "the gardener talked about the proper substrate for acid-loving plants"
• S: (n) substrate, substratum (any stratum or layer lying underneath another)
• S: (n) substrate, substratum (an indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population) "the Celtic languages of Britain are a substrate for English"
• direct hypernym / inherited hypernym / sister term
• S: (n) indigenous language (a language that originated in a specified place and was not brought to that place from elsewhere)