noun : SUBSTRATUMS
Source: WordNet 3.1
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1. (
) a surface on which an organism grows or is attached; "the gardener talked about the proper substrate for acid-loving plants" ;
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2. (
) any stratum or layer lying underneath another ;
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3. (
) 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" ;
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