expansion noun - Definition, pictures, pronunciation and usage …
https://www.oxfordlearnersdictionaries.com/us/definition/american_english/expansion
WEB[uncountable, countable] an act of increasing, or making something increase, in size, amount, or importance a period of rapid economic expansion Despite the recession, the company is confident of further expansion. The expansion of higher education will continue. The book is an expansion of a series of lectures given last year.
DA: 39 PA: 17 MOZ Rank: 93