the substance that is acted upon by an enzyme or ferment

a surface on which an organism grows or is attached; the gardener talked about the proper substrate for acid-loving plants

[ Syn: substratum ]

any stratum or layer lying underneath another

[ Syn: 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

[ Syn: substratum ]