alphanumeric
adjective
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Alphanumeric passwords are much harder for a hacker to crack than plain alphabetic passwords, since the number of possible combinations is so much greater. License plates usually contain both letters and numbers, since, for a big state or country, the plate wouldn't be large enough to fit enough numbers for everyone. In computing, the standard alphanumeric codes, such as ASCII, may contain not only ordinary letters and numerals but also punctuation marks and math symbols.
Examples of alphanumeric in a Sentence
Ryan Browne, CNBC, 10 Oct. 2024
The Taiwanese company began operations in 1995 and sells alphanumeric pagers as well as the kind of beepers that alert customers in restaurants that their order is ready.
—Greg McKenna, Fortune Asia, 18 Sep. 2024
American passport numbers were previously nine digits, but since the State Department began issuing the Next Generation Passport in 2021, passport numbers are alphanumeric codes that begin with a single letter and end with a string of eight digits.
—Stefanie Waldek, Travel + Leisure, 17 Aug. 2024
The new recovery codes option for both individual and family accounts adds a backstop to the secret key: a lengthy, randomized alphanumeric code.
—Rob Pegoraro, PCMAG, 20 June 2024
See all Example Sentences for alphanumeric 
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'alphanumeric.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Alphanumeric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alphanumeric. Accessed 30 Oct. 2024.
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