substratum (n.)

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

    [ Syn: substrate ]

  2. any stratum or layer lying underneath another

    [ Syn: substrate ]

  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

    [ Syn: substrate ]

The dictionary is based on the WordNet Electronic Lexical Database.
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