hexa·​dec·​i·​mal | \ ˌhek-sə-ˈdes-məl How to pronounce hexadecimal (audio) , -ˈde-sə- \

Definition of hexadecimal

: of, relating to, or being a number system with a base of 16

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Other Words from hexadecimal

hexadecimal noun

Examples of hexadecimal in a Sentence

Recent Examples on the Web These are 128-bit numbers, expressed in hexadecimal strings—for instance, 2001:0db8:582:ae33::29. Courtney Linder, Popular Mechanics, "What Is My IP Address?," 27 June 2020 Currently, a block's hash needs at least around 18 zeros (in its hexadecimal representation) to be accepted by the network—which translates to around 1022 trials to find a valid block. Timothy B. Lee, Ars Technica, "How to mine bitcoins using a computer from NASA’s Apollo program," 9 July 2019 But all the games included hexadecimal-encoded clues and were based on the same hardware. Sean Gallagher, Ars Technica, "Honoring the ’80s, Def Con’s badge is also a text adventure," 14 Aug. 2018 Decryption relies on a hardcoded 32-byte ASCII hexadecimal alphabet key. Dan Goodin, Ars Technica, "Hackers who sabotaged the Olympic games return for more mischief," 19 June 2018 While the messages are stored in hexadecimal format as a binary property list (plist), the data can easily be converted back to plain text. Sean Gallagher, Ars Technica, "Signal’s “disappearing messages” live on in macOS notifications," 9 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hexadecimal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hexadecimal

1954, in the meaning defined above

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Time Traveler for hexadecimal

Time Traveler

The first known use of hexadecimal was in 1954

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Statistics for hexadecimal

Last Updated

8 Aug 2020

Cite this Entry

“Hexadecimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexadecimal. Accessed 24 Sep. 2020.

More from Merriam-Webster on hexadecimal

Nglish: Translation of hexadecimal for Spanish Speakers

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