expansion
noun
ex·pan·sion
ik-ˈspan(t)-shən 
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 (such 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
Synonyms
Examples of expansion in a Sentence
The league is undergoing expansion.
the expansion of a lecture series into a book
This book is an expansion of a lecture series.
Recent Examples on the Web
Carl Lewis, the director of the Fairchild Tropical Botanic Garden, said that type of expansion happens thanks to the garden’s innovation studio called the Makerspace.
—
Jimena Tavel, Miami Herald, 20 Apr. 2024
Visitors descend daily onto the Hitsville grounds, where a new public plaza is part of the museum's ongoing $65 million expansion.
—Susan Selasky, Detroit Free Press, 20 Apr. 2024
At the same time, Stern drove a dramatic expansion of the NBA’s global footprint.
—TIME, 19 Apr. 2024
It is also slated to be the last spring game in Richardson Stadium’s current state, as the UNC Board of Governors approved a $60M expansion (phase one) of the 11-year-old Stadium on Thursday.
—Hunter Bailey, Charlotte Observer, 19 Apr. 2024
But the fact that stars are only granted to restaurants in several Florida cities also points to a thorny dynamic: Michelin’s expansion into new cities is often fueled by tourism departments that can pay hefty sums of money to support the guide's coverage.
—Sam Stone, Bon Appétit, 19 Apr. 2024
Given that, the existence of a fandom outside Japan will serve as a tremendous advantage in the band’s overseas expansion.
—Billboard Japan, Billboard, 19 Apr. 2024
The expansion, released two hours after the initial album, features 15 more songs titled The Anthology.
—Zoe G Phillips, The Hollywood Reporter, 18 Apr. 2024
But Brookens Construction, which specializes in roof replacement and gutters, remarkable expansion has propelled it to rank 1372 on the 2023 Inc. 5000 roster of the swiftest-growing firms that year.
—Kyle J. Russell, USA TODAY, 18 Apr. 2024
Jimena Tavel, Miami Herald, 20 Apr. 2024
Visitors descend daily onto the Hitsville grounds, where a new public plaza is part of the museum's ongoing $65 million expansion.
—Susan Selasky, Detroit Free Press, 20 Apr. 2024
At the same time, Stern drove a dramatic expansion of the NBA’s global footprint.
—TIME, 19 Apr. 2024
It is also slated to be the last spring game in Richardson Stadium’s current state, as the UNC Board of Governors approved a $60M expansion (phase one) of the 11-year-old Stadium on Thursday.
—Hunter Bailey, Charlotte Observer, 19 Apr. 2024
But the fact that stars are only granted to restaurants in several Florida cities also points to a thorny dynamic: Michelin’s expansion into new cities is often fueled by tourism departments that can pay hefty sums of money to support the guide's coverage.
—Sam Stone, Bon Appétit, 19 Apr. 2024
Given that, the existence of a fandom outside Japan will serve as a tremendous advantage in the band’s overseas expansion.
—Billboard Japan, Billboard, 19 Apr. 2024
The expansion, released two hours after the initial album, features 15 more songs titled The Anthology.
—Zoe G Phillips, The Hollywood Reporter, 18 Apr. 2024
But Brookens Construction, which specializes in roof replacement and gutters, remarkable expansion has propelled it to rank 1372 on the 2023 Inc. 5000 roster of the swiftest-growing firms that year.
—Kyle J. Russell, USA TODAY, 18 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'expansion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near expansion
Cite this Entry
“Expansion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/expansion. Accessed 25 Apr. 2024.
Copy CitationKids Definition
expansion
noun
ex·pan·sion
ik-ˈspan-chən
1
: the act of expanding
2
: the state of being expanded
3
: something expanded or a result of expanding
4
: the result of carrying out indicated mathematical operations
the expansion of (a + b)2 is a2 + 2ab + b2
Medical Definition
expansion
noun
ex·pan·sion
ik-ˈspan-chən
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