Medical Dictionary
gallon
noun gal·lon \ˈgal-ən\
Medical Definition of GALLON
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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