ki·​lo | \ ˈkē-(ˌ)lō How to pronounce kilo (audio) also ˈki- How to pronounce kilo (audio) \
plural kilos

Definition of kilo

 (Entry 1 of 3)

: a unit of mass or weight equaling one thousand grams or approximately 2.2 pounds : kilogram Each sack weighs 50 kilos. Did you know … that it takes a lobster between five and seven years to grow to a weight of half a kilo, the minimum size it should reach before being fished?Food & Drink When he finally strips off the kilos of gold enveloping his body, Deion is as light as a feather.— Curry Kirkpatrick Gathering in Versailles, west of Paris, governments are expected on Friday to approve plans to instead use a scientific formulation to define the exact mass of a kilo.— John Leicester


communications code word

Definition of Kilo (Entry 2 of 3)

used as a code word for the letter k

Definition of kilo- (Entry 3 of 3)

: thousand kiloton

Examples of kilo in a Sentence

Recent Examples on the Web: Noun Roberts met the agent in Medina, and the two agreed that Roberts would sell the agent a kilo of cocaine for $20,000, records say. Cory Shaffer, cleveland, 26 Sep. 2022 Each kilo could potentially yield tens of thousands of doses. Jon Kamp, WSJ, 30 Aug. 2022 The new planes use breathable fabrics instead of leather, a switch that saves about a kilo per Business Premier and Premium Economy seat, reducing overall carbon emissions. Sherrie Nachman, Forbes, 2 July 2022 Gray hydrogen, produced from natural gas, emits 8-12 kg of CO2 for every kilo of hydrogen produced, resulting in two to six times more emissions than burning fossil fuels directly. Aurora Almendral, Quartz, 7 July 2022 Both favored municipalities governed by their allies and demanded bribes, including a kilo of gold, the reports said. DÉbora Álvares, ajc, 22 June 2022 After the surge in feed and energy costs, Koch said most pig farmers will need prices at about 2 to 2.40 euros per kilo to be profitable, up from 1.60 to 1.70 in normal times. Megan Durisin, Jen Skerritt, Michael Hirtzer, Anchorage Daily News, 21 May 2022 Hundreds were lining up outside his synagogue hoping to receive a kilo of matzah each for their Passover dinner tables. Deepa Bharath, ajc, 12 Apr. 2022 Hundreds were lining up outside his synagogue hoping to receive a kilo of matzah each for their Passover dinner tables. Deepa Bharath,, 12 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kilo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of kilo


1870, in the meaning defined above

Communications code word

1952, in the meaning defined above

History and Etymology for kilo

Combining form

French, modification of Greek chilioi

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Last Updated

30 Sep 2022

Cite this Entry

“Kilo.” Dictionary, Merriam-Webster, Accessed 1 Oct. 2022.

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More Definitions for kilo


ki·​lo | \ ˈkē-lō How to pronounce kilo (audio) \
plural kilos

Kids Definition of kilo



Kids Definition of kilo-

: thousand kilometer

More from Merriam-Webster on kilo

Nglish: Translation of kilo for Spanish Speakers


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