expansion
ex·pan·sion
noun \ik-ˈspan(t)-shən\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
- The league is undergoing expansion.
- the expansion of a lecture series into a book
- 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
Learn More About EXPANSION
Browse
Next Word in the Dictionary: expansionary
Previous Word in the Dictionary: expansile
All Words Near: expansion
Previous Word in the Dictionary: expansile
All Words Near: expansion
Seen & Heard 
What made you want to look up expansion? Please tell us where you read or heard it (including the quote, if possible).


See 








