Longman Dictionary of Contemporary English homepage

expansion

noun
     
Related topics: Companies
ex‧pan‧sion W3
1 [uncountable and countable] when something increases in size, range, amount etc [= growth; ↪ expand]
expansion of
The rapid expansion of cities can cause social and economic problems.
expansion in
an expansion in student numbers
2 [uncountable and countable] when a company, business etc becomes larger by opening new shops, factories etc [↪ expand]:
The industry underwent a period of rapid expansion.
3 [countable] an idea, story etc that is based on one that is simpler or more general:
The novel is an expansion of a short story he wrote about forty years ago.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary