Three or more years. In the context of accounting, more than 1 year. Bloomberg Financial Dictionary
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long-term ˈlong-term adjective [only before a noun]
1. long-term plans, aims etc are related to a long period of time into the future:
• Boeing's predictions about long-term jet sales
2. the long-term unemployed people who have not had a job for a long time:
• a new law to extend jobless benefits for the long-term unemployed
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long-term UK US /ˌlɒŋˈtɜːm/ adjective [usually before noun]
► continuing to exist or have an effect for a long time into the future: »
It's too early to tell whether the long-term benefits of biofuel plants will exceed the taxpayer dollars invested in them.
a long-term agreement/contract/deal »Unions are negotiating a long-term agreement to keep the jobs in the local area.
»The fund seeks long-term growth of capital.
»long-term debt/effects/planning
► ACCOUNTING relating to a period of time of more than one year: »
Guessing the long-term cash flow of an established business is relatively simple.
► FINANCE relating to money that is borrowed or invested for a long period of time: »
The Fund's cash reserve could then be used to buy long-term bonds on the cash market.
»long-term investment/ borrowing/savings
Financial and business terms. 2012.