a unit of length, the common measure of distances equal to 1,000 meters, and equivalent to 3280.8 feet or 0.621 mile. Abbreviation: km
- Also especially British, kil·o·me·tre .
- kil·o·met·ric [kil-uh-me-trik], /ˌkɪl əˈmɛ trɪk/, kil·o·met·ri·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use kilometer in a sentence
The Kremlin is far away—almost 1,000 kilometers away, in fact.
The shudder of the fighting could be felt 16 kilometers away.Kobani Still Stands Against ISIS and All Odds. But for How Long? | Jamie Dettmer | October 12, 2014 | THE DAILY BEAST
A control group—a population of gorillas unaffected by Ebola, separated by a river and 20 kilometers—was also observed.
A senior administration official described it as “a multi-pronged attack across hundreds of kilometers in northern Iraq.”Obama’s Iraq Plan Has a Killer Flaw—and Airstrikes Alone May Not Save It | Jacob Siegel | August 8, 2014 | THE DAILY BEAST
On the outskirts of Slovyansk, a hundred kilometers away, frustration is building among some of the townsfolk.
By sunset we had reached the place intended as our first halt, thirty-seven kilometers from the shore.Silver Chimes in Syria | W. S. Nelson
But that star is only forty kilometers—or less than twenty-five miles in diameter!Islands of Space | John W Campbell
Its distance is 64 trillion kilometers (391⁄2 trillion miles).Astronomy for Amateurs | Camille Flammarion
Its distance is 69 trillion kilometers (421⁄2 trillion miles).Astronomy for Amateurs | Camille Flammarion
In the meanwhile I beg you to consider that you are but fifty kilometers from your destination.The Secret Witness | George Gibbs
Scientific definitions for kilometer
A unit of length in the metric system equal to 1,000 meters (0.62 mile). See Table at measurement.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for kilometer
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.