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Expansion

ɪkˈspanʃn

Expansion definitions
noun
expansion expansions
  1. the action of becoming larger or more extensive

    "the rapid expansion of suburban London"

    • the political strategy of extending a state's territory by encroaching on that of other nations

      "German expansion in the 1930s"

    • a thing formed by the enlargement or broadening of something

      "the book is an expansion of a lecture given last year"

    • the increase in the volume of fuel on combustion in the cylinder of an engine, or the piston stroke in which this occurs