expansion /ɪkˈspænʃən/ noun plural expansions
plural expansions
Learner's definition of EXPANSION
1
[noncount] : the act of becoming bigger or of making something bigger : the act of expanding(使)扩大,扩充,扩展 -
territorial expansion领土扩张
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The league is undergoing expansion.这个联盟正在扩充力量。
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economic expansion经济扩张
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the expansion of a lecture series into a book把一系列讲座扩写成一本书
2
[count] : a more complete and detailed written work or set of comments based on something shorter扩写部分;详述 —
often + on or upon