kilometer
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
Origin of kilometer
1- Also especially British, kil·o·me·tre .
pronunciation note For kilometer
Other words from kilometer
- kil·o·met·ric [kil-uh-me-trik], /ˌkɪl əˈmɛ trɪk/, kil·o·met·ri·cal, adjective
Words Nearby kilometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use kilometer in a sentence
The core collapses in on itself — plummeting at 150,000 kilometers per hour — causing temperatures to surge to 100 billion degrees Celsius and fusing the core into a solid ball of neutrons.
The universe was expanding, and Hubble clocked its expansion rate at 500 kilometers per second per megaparsec, a constant that now bears his name.
The universe is 13.8 billion years old—here’s how we know | Charlie Wood | January 13, 2021 | Popular-ScienceThe International Air Transport Association said last week that global passenger demand dropped significantly during November, down 70% versus the same period of 2019 when measured in revenue passenger kilometers.
What to know about the missing Boeing 737 plane that disappeared over the Java Sea | Claire Zillman, reporter | January 10, 2021 | FortuneIn addition, radio interference from Earth wouldn’t be registered by telescope sites separated by hundreds of kilometers.
SETI: New Signal Excites Alien Hunters—Here’s How We Could Find Out if It’s Real | Michael Garrett | January 7, 2021 | Singularity HubTheir X-rays shine from gas that measures 3 million to 4 million degrees Kelvin as it expands outward at 300 to 400 kilometers per second.
Galaxy-Size Bubbles Discovered Towering Over the Milky Way | Charlie Wood | January 6, 2021 | Quanta Magazine
That means it probably flew back up as much as a kilometer before coming back down.
Her clothes and purse were found a kilometer away with money still in her wallet.
Several people have been killed by artillery shells from Syria that landed on the Turkish side of the 900 kilometer border.
Turkish PM Accused of Playing War Games Ahead of Election | Thomas Seibert | March 24, 2014 | THE DAILY BEASTHe also says the “spirit of Eataly is contrary to the Slow Food movement or zero kilometer initiative to eat local.”
“We are now losing 300 cubic kilometer of ice a year in Greenland,” said Wadhams.
The End of the Arctic? Ocean Could be Ice Free by 2015 | Mark Hertsgaard | December 13, 2013 | THE DAILY BEASTI preset two forward radiators for forty kilometers at low condensation, with a three kilometer radius at surface.
Indirection | Everett B. ColeAnd so it appeared to me, for the Germans were dropping their shells from the southeast, at least one kilometer over range.
The line of support was furthermore about one kilometer in the rear.
Average Americans | Theodore RooseveltSuppose a difference of a millimeter in the cause produces a difference of a kilometer in the effect.
If I win in case the effect corresponds to a kilometer bearing an even number, my probability of winning will be 1/2.
Scientific definitions for kilometer
[ kĭ-lŏm′ĭ-tər, kĭl′ə-mē′tər ]
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
[ (ki-lom-uh-tuhr, kil-uh-mee-tuhr) ]
In the metric system, one thousand meters, or about five-eighths of a mile.
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.
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