Meaning

• Noun

  1. An underlying layer; a substratum.
  2. The substance lining the bottom edge of an enclosure.
  3. A substance acted upon, as by an enzyme.
  4. A surface on which an organism grows, or to which an organism or an item is attached.
  5. A language that is replaced in a population by another language and that influences the language imposed on its speakers.
  6. A metal which is plated with another metal which has different physical properties.
  7. A surface to which a substance adheres.

• Verb
• Adj