Meaning & use
gallon
A unit of liquid volume equal to four quarts, used mainly in the United States and United Kingdom.
See it in a sentence
She bought a gallon of milk for the family's breakfast this week.
The tank holds about fifteen gallons of gasoline when completely full.
A note on using this word
A U.S. gallon and a U.K. imperial gallon are different sizes, so conversions vary by country.
Words with a similar meaning
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