hexadecimal
adjective
hexa·dec·i·mal
ˌhek-sə-ˈde-sə-məl 
-ˈdes-məl
: of, relating to, or being a number system with a base of 16
hexadecimal
noun
Examples of hexadecimal in a Sentence
Recent Examples on the Web
These can take the form of a series of words, a lengthy hexadecimal string, or a base 64 string.
—
PC Magazine,
29 Sep. 2025
In a proof-of-work system, miners update the blockchain and verify transactions as legitimate by solving an arbitrary numerical puzzle for a hexadecimal solution, known as a hash.
—
Wilson Chapman,
Discover Magazine,
10 June 2021
First, verify a series of transactions on the blockchain and, second, correctly guess a random 64-digit hexadecimal number, called a hash.
—
Eamon Barrett,
Fortune,
16 May 2021
Then, a few months later, new Bergsonist EPs began appearing on Bandcamp nearly every Friday, each with its own six-character alphanumeric title, the hexadecimal color code of each recording’s thumbnail cover image.
—
Washington Post,
23 Dec. 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,
9 July 2019
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PC Magazine,
29 Sep. 2025
In a proof-of-work system, miners update the blockchain and verify transactions as legitimate by solving an arbitrary numerical puzzle for a hexadecimal solution, known as a hash.
—
Wilson Chapman,
Discover Magazine,
10 June 2021
First, verify a series of transactions on the blockchain and, second, correctly guess a random 64-digit hexadecimal number, called a hash.
—
Eamon Barrett,
Fortune,
16 May 2021
Then, a few months later, new Bergsonist EPs began appearing on Bandcamp nearly every Friday, each with its own six-character alphanumeric title, the hexadecimal color code of each recording’s thumbnail cover image.
—
Washington Post,
23 Dec. 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,
9 July 2019
Cite this Entry
“Hexadecimal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hexadecimal. Accessed 5 Jul. 2026.
Copy CitationKids Definition
hexadecimal
adjective
hexa·dec·i·mal
ˌhek-sə-ˈdes-(ə-)məl
: of, relating to, or being a number system with a base of 16
hexadecimal numbers
hexadecimal notation
hexadecimal
noun
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