American Dictionary

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Definition gallon in American English

gallon noun

[countable] noun
/ˈɡælən/
1

a unit for measuring an amount of liquid, especially gas or water. In the U.S., a gallon is equal to 3.79 liters. In the U.K., a gallon is equal to 4.55 liters. A gallon contains 8 pints or 4 quarts

Example

a gallon of gas

Synonyms and related words
Definition gallon in American English