expansion


ex·pan·sion

noun \ik-ˈspan(t)-shən\

: the act of becoming bigger or of making something bigger : the act of expanding

: a more complete and detailed written work or set of comments based on something shorter

Full Definition of EXPANSION

1
:  expanse
2
:  the act or process of expanding <territorial expansion> <economic expansion> <expansion of the universe>
3
:  the quality or state of being expanded
4
:  the increase in volume of working fluid (as steam) in an engine cylinder after cutoff or in an internal combustion engine after explosion
5
a :  an expanded part
b :  something that results from an act of expanding <the book is an expansion of a lecture series>
6
:  the result of carrying out an indicated mathematical operation :  the expression of a function in the form of a series
ex·pan·sion·al \-ˈpanch-nəl, -chə-nəl\ adjective

Examples of EXPANSION

  1. The league is undergoing expansion.
  2. the expansion of a lecture series into a book
  3. This book is an expansion of a lecture series.

First Known Use of EXPANSION

1611

ex·pan·sion

noun \ik-ˈspan-chən\   (Medical Dictionary)

Medical Definition of EXPANSION

1
: the act or process of expanding
2
: the quality or state of being expanded

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Previous Word in the Dictionary: expansile
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