: a unit of liquid capacity equal to 231 cubic inches or four quarts see Weights and Measures Table
Examples of gallon in a Sentence
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GasBuddy projects a national average of $3.08 per gallon for Memorial Day, the lowest since 2021 and the lowest adjusted for inflation since 2003.
—
Frank Holmes, Forbes.com, 29 May 2025
The Federal Reserve Bank of St. Louis reports that the average cost of milk in U.S. cities is around $4 per gallon as of April 2025.
—Mandy Taheri, MSNBC Newsweek, 29 May 2025
The system of 37 wells and drain lines removes more than 10 million gallons of water per year, according to the city.
—Michael Slaten, Oc Register, 28 May 2025
Then, put the can or pouch in water and let the water boil for two minutes or put them in a solution of a tablespoon of liquid chlorine bleach per gallon of water for 15 minutes.
—David J. Neal, Miami Herald, 28 May 2025
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Frank Holmes, Forbes.com, 29 May 2025
The Federal Reserve Bank of St. Louis reports that the average cost of milk in U.S. cities is around $4 per gallon as of April 2025.
—Mandy Taheri, MSNBC Newsweek, 29 May 2025
The system of 37 wells and drain lines removes more than 10 million gallons of water per year, according to the city.
—Michael Slaten, Oc Register, 28 May 2025
Then, put the can or pouch in water and let the water boil for two minutes or put them in a solution of a tablespoon of liquid chlorine bleach per gallon of water for 15 minutes.
—David J. Neal, Miami Herald, 28 May 2025
See All Example Sentences for gallon
Cite this Entry
“Gallon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gallon. Accessed 4 Jun. 2025.
Copy CitationKids Definition
Medical Definition
gallon
noun
gal·lon
ˈgal-ən 
1
: a United States unit of liquid capacity equal to four quarts or 231 cubic inches or 3.785 liters
2
: a British unit of liquid and dry capacity equal to four quarts or 277.42 cubic inches or 4.544 liters
called also imperial gallon
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