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Replacement vs Expansion - What's the difference?

replacement | expansion |

As nouns the difference between replacement and expansion

is that replacement is a person or thing that takes the place of another; a substitute while expansion is the act or process of expanding.

replacement

English

Noun

(en noun)
  • A person or thing that takes the place of another; a substitute.
  • * {{quote-news
    • , year=2010 , date=December 28 , author=Kevin Darlin , title=West Brom 1 - 3 Blackburn , work=BBC citation , page= , passage=Rovers lost keeper Robinson to a calf problem at half-time and his replacement Mark Bunn, making his Premier League debut, was immediately called into action - pushing away a vicious Peter Odemwingie drive at the near post.}}
  • The act of replacing something.

    • Synonyms

    * See also

    Derived terms

    * overreplacement * subreplacement
    See also
    * spare part

    expansion

    English

    Noun

  • The act or process of expanding.
    • The expansion of metals and plastics in response to heat is well understood.
  • The fractional change in unit length per unit length per unit temperature change.
  • A new addition.
    • My new office is in the expansion behind the main building.
  • A product to be used with a previous product.
    • This expansion requires the original game board.
  • That which is expanded; expanse; extended surface.
  • * Beattie
    • the starred expansion of the skies
  • (steam engines) The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.

    • Antonyms

    * (act of expanding) contraction

    Related terms

    * expand * expanse * expansive

    Derived terms

    * expansionism * expansion joint * expansion team * expansion cleat * expansion pack