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kilogram

[kil-uh-gram]
noun
  1. a unit of mass equal to 1000 grams: the basic unit of mass in the International System of Units(SI), equal to the mass of the international prototype of the kilogram, a platinum-iridium cylinder kept in Sèvres, France. Abbreviation: kg
  2. a unit of force and weight, equal to the force that produces an acceleration of 9.80665 meters per second per second when acting on a mass of one kilogram. Abbreviation: kg
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Also especially British, kil·o·gramme.

Origin of kilogram

From the French word kilogramme, dating back to 1790–1800. See kilo-, -gram2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for kilogram

Historical Examples

  • He paid six cents for the kilogram of potatoes, or even seven.

    The Iron Ration

    George Abel Schreiner

  • The masses commonly used are the milligram, gram and kilogram.

    Physics

    Willis Eugene Tower

  • Half a kilogram (eighteen ounces) is considered the portion for each person.

    Rome

    Mildred Anna Rosalie Tuker

  • The oil consumption was .02 of a kilogram per horse-power hour.

    Aviation Engines

    Victor Wilfred Pag

  • And here in Kosseev is a tree bearing Giants which before they are dried weigh ten nuts to one kilogram (2.204 pounds).


British Dictionary definitions for kilogram

kilogram

noun
  1. one thousand grams
  2. the basic SI unit of mass, equal to the mass of the international prototype held by the Bureau International des Poids et Mesures. One kilogram is equivalent to 2.204 62 pounds
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Symbol: kg
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

Word Origin and History for kilogram

n.

"one thousand grams," 1797, from French kilogramme (1795); see kilo- + gram.

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Online Etymology Dictionary, © 2010 Douglas Harper

kilogram in Medicine

kilogram

(kĭlə-grăm′)
n.
  1. The base unit of mass in the International System of Units, equal to 1,000 grams (2.2046 pounds).
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

kilogram in Science

kilogram

[kĭlə-grăm′]
  1. The basic unit of mass in the metric system, equal to 1,000 grams (2.2 pounds). See Table at measurement.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

kilogram in Culture

kilogram

[(kil-uh-gram, kee-luh-gram)]

A unit of mass in the metric system, equal to one thousand grams. The weight of a one-kilogram mass is slightly over two pounds.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.