"economies" in the noun sense
1. economy, economic system
the system of production and distribution and consumption
2. economy
the efficient use of resources
"economy of effort"
3. economy, thriftiness
frugality in the expenditure of money or resources
"the Scots are famous for their economy"
4. economy, saving
an act of economizing reduction in cost
"it was a small economy to walk to work every day"
"there was a saving of 50 cents"
Source: WordNet® (An amazing lexical database of English)
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