economy

[ɪˈkɒnəmɪ]
n
careful management of resources to avoid unnecessary expenditure or waste; thrift
a means or instance of this; saving
sparing, restrained, or efficient use, esp to achieve the maximum effect for the minimum effort
economy of language
the complex of human activities concerned with the production, distribution, and consumption of goods and services.a particular type or branch of such production, distribution, and consumption
the management of the resources, finances, income, and expenditure of a community, business enterprise, etc
a class of travel in aircraft, providing less luxurious accommodation than first class at a lower fare.(as modifier)
offering or purporting to offer a larger quantity for a lower price
economy pack
the orderly interplay between the parts of a system or structure
the economy of nature
the principle that, of two competing theories, the one with less ontological presupposition is to be preferred
the management of household affairs; domestic economy