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English definition of “trough”

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trough

noun [C]
 
 
/trɒf/
a situation in which something has reached its lowest level, price, etc. before going up again: Your monthly payments will smooth over any peaks and troughs in the price of the shares. Growth in services slowed to its lowest since the trough of the recession.
(Definition of trough noun from the Cambridge Business English Dictionary © Cambridge University Press)
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