单词 | kilogram |
释义 | kilogram[ kil-uh-gram ] / ˈkɪl əˌgræm / nouna unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units (SI). Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France. The kilogram has since been redefined in terms of universal physical constants, including the speed of light and Planck's constant. Abbreviation: kg 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 Also especially British, kil·o·gramme . Origin of kilogramFrom the French word kilogramme, dating back to 1790–1800. See kilo-, -gram2 Words nearby kilogramkilocalorie, kilocurie, kilocycle, kiloelectron volt, kilogauss, kilogram, kilogram calorie, kilogram-force, kilogram-meter, kilohertz, kiloliter Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for kilogramBritish Dictionary definitions for kilogramkilogram / (ˈkɪləʊˌɡræm) / nounone thousand grams 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 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 Cultural definitions for kilogramkilogram [ (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. 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. Medical definitions for kilogramkilogram [ kĭl′ə-grăm′ ] n.The base unit of mass in the International System of Units, equal to 1,000 grams (2.2046 pounds). The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for kilogramkilogram [ kĭl′ə-grăm′ ] The basic unit of mass in the metric system, equal to 1,000 grams (2.2 pounds). See Table at measurement. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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