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Anglicization of substratum.


  • Hyphenation: sub‧strate
  • IPA(key): /ˈsʌbstreɪt/


substrate (plural substrates)

  1. (biochemistry) What an enzyme acts upon.
  2. (biology) A surface on which an organism grows or to which it is attached.
    The rock surface of a rockpool is the substrate for a sessile organism such as a limpet.
  3. An underlying layer; a substratum.
  4. (linguistics) A language that is replaced in a population by another language and that influences the language imposed on its speakers.
  5. (plating) A metal which is plated with another metal which has different physical properties.
  6. (construction) A surface to which a substance adheres.
  7. The substance lining the bottom edge of an enclosure.
    The substrate of an aquarium can affect the water's acidity.
    Stream substrate affects fish longevity.



substrate (third-person singular simple present substrates, present participle substrating, simple past and past participle substrated)

  1. (obsolete, transitive) To strew or lay under.
    • Boyle
      The melted glass being supported by the substrated sand.


substrate (comparative more substrate, superlative most substrate)

  1. Having very slight furrows.

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