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View synonyms for

gallon

[ gal-uhn ]

noun

  1. a common unit of capacity in English-speaking countries, equal to four quarts, the U.S. standard gallon being equal to 231 cubic inches (3.7853 liters), and the British imperial gallon to 277.42 cubic inches (4.546 liters). : gal.


gallon

/ ˈɡæə /

noun

  1. Also calledimperial gallon a unit of capacity equal to 277.42 cubic inches. 1 Brit gallon is equivalent to 1.20 US gallons or 4.55 litres
  2. a unit of capacity equal to 231 cubic inches. 1 US gallon is equivalent to 0.83 imperial gallon or 3.79 litres
  3. plural great quantities
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gallon

  1. A unit of liquid volume or capacity in the US Customary System equal to 4 quarts (3.79 liters).
  2. See Table at measurement
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Word History and Origins

Origin of gallon1

First recorded in 1250–1300; Middle English galo(u)n, gallon, from Old North French galon, derivative from base of Medieval Latin ŧٲ “jug, bucket,” of uncertain origin
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Word History and Origins

Origin of gallon1

C13: from Old Northern French galon (Old French jalon ), perhaps of Celtic origin
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Compare Meanings

How does gallon compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Examples have not been reviewed.

This week, President Trump threatened Mexico with new tariffs for failing to deliver billions of gallons of water under a 1944 treaty governing the dispersal of three rivers that run through both countries.

From

The largest spill, which occurred in 1969, released an estimated 3 million gallons of oil and inspired multiple environmental protection laws.

From

A spokesperson for the embassy said the stunt "damaged a 1.5 million gallon water supply on the property, wasting a local environmental resource".

From

At the end of Trump's first term, in 2020, he moved to allow each nozzle to produce up to 2.5 gallons a minute.

From

That pipeline failure, which occurred under different ownership, spewed an estimated 140,000 gallons of crude oil, harmed hundreds of miles of coastline and cost millions to clean up.

From

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