expansion
1 ENTRIES FOUND:
plural
expansions
plural
expansions
Britannica Dictionary definition of EXPANSION
1
[noncount]
:
the act of becoming bigger or of making something bigger
:
the act of expanding
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territorial expansion
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The league is undergoing expansion.
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economic expansion
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the expansion of a lecture series into a book
2
[count]
:
a more complete and detailed written work or set of comments based on something shorter
— often + on or upon
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This book is an expansion of a lecture series.
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Her remarks today were an expansion on her earlier comments regarding the budget.
