binary system
Americannoun
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a system involving only two elements, as 0 and 1 or yes and no.
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Mathematics. a system of counting or measurement whose units are powers of two.
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Astronomy. binary star.
Etymology
Origin of binary system
First recorded in 1825–35
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.
In a typical binary system, two stars with slightly different masses circle each other along elongated, or elliptical, paths.
From Science Daily • Apr. 19, 2026
This strange new world orbits around two stars at once, which dance around each other in what astronomers call a binary system.
From Space Scoop • May 6, 2025
It’s a binary system; a choice of extremes.
From Los Angeles Times • Dec. 17, 2024
"The Didymos binary system is located in a near-Earth environment while the Dinkinesh system is located much farther away from Earth in the main asteroid belt," she added.
From Science Daily • May 29, 2024
Binary ——— The base 2 number system in which only the digits 1 and 0 are used is called the binary system.
From The Online World by De Presno, Odd
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.
