liter

noun

li·​ter ˈlē-tər How to pronounce liter (audio)
variants or litre
: a metric unit of capacity equal to one cubic decimeter see Metric System Table

Examples of liter in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Petersen said the smaller passenger configuration of Qantas’ A350-1000ULR was to enhance comfort and to compensate for an additional tank carrying 20,000 liters (5,283 gallons) of fuel. ABC News, 18 June 2026 With a 9-liter filter basket and wide intake area, it’s designed to capture everything from fine particles to large leaves, requiring less emptying and freeing up more pool time. V Brand Stories, Forbes.com, 18 June 2026 Take that in – that’s roughly 155 hp per liter. Utkarsh Sood june 15, New Atlas, 15 June 2026 Professional athletes should quickly drink half a liter an hour and a half before an event. Nicole Bennett, AJC.com, 12 June 2026 See All Example Sentences for liter

Word History

Etymology

French litre, from Medieval Latin litra, a measure, from Greek, a weight

First Known Use

1797, in the meaning defined above

Time Traveler
The first known use of liter was in 1797

Browse Nearby Words

Cite this Entry

“Liter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liter. Accessed 21 Jun. 2026.

Kids Definition

liter

noun
li·​ter
variants or litre
ˈlēt-ər
: a metric unit of capacity equal to one cubic decimeter see metric system

Medical Definition

liter

noun
li·​ter
variants or chiefly British litre
: a metric unit of capacity equal to the volume of one kilogram of water at 4°C (39°F) and at standard atmospheric pressure of 760 millimeters of mercury

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