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gallon

noun
 
 
/ˈɡæl.ən/

Definition

[C] a unit for measuring volume: An imperial gallon, used in Britain, is equal to 4,546 cubic centimetres. A US gallon is equal to 3,785 cubic centimetres.Measurements of volumeGeneral words for size and amountInformal measurements of volume [C usually plural] informal a large amount of liquid: I love milk - I drink gallons of the stuff.Masses and large amounts of things
(Definition of gallon noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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