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English definition of “tank”

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tank

noun [C]
 
 
/tæŋk/
a container for holding liquid or gas: a fuel/gas/propane tank
the contents of a tank, or the amount that it will hold: a tank of sth The car can be driven 500 miles on a single 10-gallon tank of gas.
in the tank informal US in a very bad state or situation, especially because of being too low in price, value, etc.: People will not agree to this sort of spending if the economy is in the tank. It is not surprising that the company's shares are in the tank, recently hitting a 52-week low of 15.40.
→  See also think tank
(Definition of tank noun from the Cambridge Business English Dictionary © Cambridge University Press)
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