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English definition of “run”

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run

noun [C]
 
 
/rʌn/
PRODUCTION all of a particular product made at one time: The first run of 50,000 units sold out in a week. The book had an initial print run of 3,000 copies. Smaller production runs are likely to be needed.
a period when a series of good things or bad things happen: a run of good/bad luck We've had quite a run of good luck this month.
a run on sth COMMERCE a period when people buy more of a particular product than usual: The warm weather sparked a run on air conditioners. ECONOMICS a period when many people suddenly sell more of a particular currency than usual: a run on the dollar/pound/yen A sudden run on the dollar has lowered its value.
a run on the bank BANKING, FINANCE, ECONOMICS a period when many people take their money out of a bank because they are afraid the bank will go out of business: A run on the bank by customers drained about $133 million.
→  See also bank run , bear run , bull run , cheque run , long-run , short-run , split run , test run
(Definition of run noun from the Cambridge Business English Dictionary © Cambridge University Press)
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