Definition of litre noun from the Oxford Advanced Learner's Dictionary



(especially US English liter) noun
BrE BrE//ˈliːtə(r)//
; NAmE NAmE//ˈliːtər//
(abbreviation l)
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a unit for measuring volume, equal to 1.76 British pints or 2.11 American pints 3 litres of water a litre bottle of wine a car with a 3.5 litre engine Word Originlate 18th cent.: from French, alteration of litron (an obsolete measure of capacity), via medieval Latin from Greek litra, a Sicilian monetary unit.