noun Mathematics, Computers.
either of the digits 0 or 1 when used in the binary number system.
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Origin of binary digit
First recorded in 1945–50
Words nearby binary digit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for binary digit
either of the two digits 0 or 1, used in binary notationSee also bit 4
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
Scientific definitions for binary digit
Either of the digits 0 or 1, used in the binary number system. See more at bit.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.