BCD

1 of 2

noun

ˌbē-(ˌ)sē-ˈdē

: a system of writing numbers in which each decimal digit is represented by its 4-digit binary equivalent

51 in BCD is 0101 0001

BCD

2 of 2

abbreviation

bad conduct discharge

Word History

Etymology

Noun

binary coded decimal

First Known Use

Noun

1959, in the meaning defined above

Time Traveler

The first known use of BCD was in 1959

See more words from the same year

Browse Nearby Words

bcc

BCD

BCE

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Cite this Entry

Style

“BCD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/BCD. Accessed 18 Apr. 2025.

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