kilo
1 Americannoun
prefix
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k. denoting 10³ (1000)
kilometre
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(in computer technology) denoting 2 10 (1024): kilobyte: in computer usage, kilo- is restricted to sizes of storage (e.g. kilobit ) when it means 1024; in other computer contexts it retains its usual meaning of 1000
noun
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A prefix that means:
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One thousand, as in kilowatt, one thousand watts.
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2 10 (that is, 1,024), which is the power of 2 closest to 1,000, as in kilobyte.
Usage
What does kilo- mean? Kilo- is a combining form used like a prefix meaning “thousand.” It is often used in units of measure.Kilo- comes from Greek chī́lioi, meaning “a thousand.” The Latin translation of chī́lioi is mille, “a thousand,” which is the source of English terms such as millennium and millipede. To learn more, check out our entries for both words.
Etymology
Origin of kilo1
First recorded in 1865–70; shortened form
Origin of kilo-1
< French, representing Greek chī́lioi a thousand
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Stevens has collected an estimated thousand kilos of used candles from cathedrals, churches and charity shops, so he can personally deliver them to the frontline.
From BBC
“This dude weighs five hundred kilos! We’re never going to budge him.”
From Literature
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A kilo of unshelled pistachios has surged fourfold month-on-month since mid-January.
From Barron's
"It feels like 170 kilos fell off my shoulders," she said.
From BBC
"It feels like 170 kilos fell off my shoulders -- I was so stressed, I really wanted to do well and today I felt so much pressure to not let my team down," Bencic said.
From Barron's
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.