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Substrate vs Undefined - What's the difference?

substrate | undefined |

As a noun substrate

is .

As an adjective undefined is

lacking a definition or value.

substrate

English

Noun

(en noun)
  • (biochemistry) What an enzyme acts upon.
  • (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.
  • An underlying layer; a substratum.
  • (linguistics) A language that is replaced in a population by another language and that influences the language imposed on its speakers.
  • (plating) A metal which is plated with another metal which has different physical properties.
  • (construction) A surface to which a substance adheres.
  • 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.

    Verb

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

    Adjective

    (en adjective)
  • Having very slight furrows.

    • See also

    * ("substrate" on Wikipedia)

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined