: 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

Dictionary Entries Near BCD

Cite this Entry

“BCD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/BCD. Accessed 25 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!