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gallon

American  
[gal-uhn] / ˈgæl ən /

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 British  
/ ˈɡælən /

noun

  1. Also called: imperial 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 Scientific  
/ gălən /
  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


Etymology

Origin of gallon

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

Compare meaning

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The national average could climb between 25 cents and 50 cents a gallon between now and April or May to the mid-$3 range, said De Haan.

From MarketWatch

The national average could climb between 25 cents to 50 cents a gallon between now and April or May to the mid-$3 range, said De Haan.

From MarketWatch

He is managing a 400,000 gallon slurry storage tank under the shed where most of his 250-strong herd have spent the winter.

From BBC

“I guess I am,” I said, “but if you really want to do something for me, go and bring me about a gallon of good cool water.”

From Literature

The only state we could find anywhere near $2.30 a gallon - on the website - is Oklahoma with an average price of $2.37 a gallon.

From BBC