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Wafer vs Substrate - What's the difference?

wafer | substrate |

As nouns the difference between wafer and substrate

is that wafer is a light, thin, flat biscuit while substrate is what an enzyme acts upon.

As verbs the difference between wafer and substrate

is that wafer is to seal or close with a wafer while substrate is to strew or lay under.

As an adjective substrate is

having very slight furrows.

wafer

English

Noun

(en noun)
  • A light, thin, flat biscuit.
  • (religion) A thin disk of consecrated unleavened bread used in communion.
  • A soft disk originally made of flour, and later of gelatin or a similar substance, used to seal letters, attach papers etc.
  • * 1749 , (Henry Fielding), Tom Jones , Folio Society 1973, p. 202:
  • The house supplied him with a wafer for his present purpose, with which, having sealed his letter, he returned hastily towards the brook side, in order to search for the things which he had there lost.
  • (electronics) A thin disk of silicon or other semiconductor on which an electronic circuit is produced.
  • Derived terms

    * waferless * waferlike * wafery

    Synonyms

    * (religion) host

    Verb

    (en verb)
  • To seal or close with a wafer.
  • ----

    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.