Focus on the pronunciation of gallon
English definition of “gallon”
/ˈgælən/ noun [C] (abbreviation gal.) MEASURES
› in the UK, a unit for measuring the volume of a liquid or gas, equal to approximately 4.55 litres: Fuel tax is to rise by over 25p a gallon.
› in the US, a unit for measuring the volume of a liquid, equal to approximately 3.79 litres: The average federally set price of milk is expected to rise 42 cents, to $1.58 a gallon.