expansion · noun U /ɪkˈspæn.tʃən/
expansion
B2 when something increases in size or amount
Dictionary example:
These years saw the rapid expansion of the software industry.
Learner example:
More effective ways includ[e] the construction of bridges [in] heavy traffic areas and the expansion of METRO to even more areas of Athens. (First Certificate in English; B2; Greek)
